Briefing Document & Podcast: E-Invoicing in Belgium: Scope, Regulations & Future Outlook

1. Scope of the Mandate

• Domestic B2B E-invoicing: Belgium has introduced a mandate requiring structured electronic invoicing for nearly all business-to-business (B2B) transactions between Belgian VAT-registered enterprises, effective 1 January 2026. In practice, this means that **invoices exchanged between businesses established in Belgium and subject to Belgian VAT must be issued in a structured electronic format (typically an XML/UBL invoice compliant with European standards – see Section 4) and transmitted via approved channels (notably the Peppol network). Traditional paper invoices or simple PDFs will no longer be considered valid for in-scope transactions after this date. All standard VAT invoices for domestic B2B supplies of goods and services are covered under the e-invoicing requirement (including transactions subject to domestic reverse-charge mechanisms). [einvoice.belgium.be], [bdo.be] [bdo.be], [edicomgroup.com] [bdo.be] [vatcalc.com], [grantthornton.be]
• Exclusion of B2C Transactions: Business-to-consumer (B2C) transactions are explicitly excluded from the 2026 e-invoicing mandate. The obligation to issue structured e-invoices does not apply to supplies made to private individuals for their personal use. Businesses can continue to issue paper or PDF invoices/receipts for B2C sales as per existing rules, though they must still ensure those documents meet VAT requirements (e.g. receipts for cash transactions) and maintain proper record-keeping for tax purposes. (Note: Some B2C e-invoicing may be voluntarily adopted by businesses for efficiency, but it remains optional in 2026.) [einvoice.belgium.be], [cleartax.com] [einvoice.belgium.be]
• B2G (Business-to-Government) Requirements: Electronic invoicing is already mandatory for B2G transactions in Belgium in line with EU Directive 2014/55/EU. Since 1 March 2024, all suppliers sending invoices to Belgian public authorities under newly concluded public contracts must issue e-invoices (generally via Peppol/Mercurius platform). This B2G requirement initially applied to public contracts above EUR 3,000 (excluding VAT), with federal authorities even extending it to lower-value contracts as of March 2024. Public entities are required to be able to receive e-invoices, and suppliers must comply by using the specified format (the EU standard/Peppol BIS). These existing B2G obligations paved the way for the broader B2B mandate. [einvoice.belgium.be], [edicomgroup.com] [einvoice.belgium.be]
• Intra-EU and Cross-Border Transactions: The 2026 national mandate is limited to domestic transactions. **Cross-border B2B transactions (whether intra-EU supplies/acquisitions or imports/exports outside the EU) are **currently out of scope of Belgium’s mandatory e-invoicing regime. Belgian VAT law continues to treat intra-Community supplies and exports as zero-rated transactions that require supporting documentation (e.g. transport proof, customs export declarations) and inclusion in EU sales listings (for intra-EU B2B), rather than real-time domestic e-invoice clearance. However, this will change with upcoming EU-wide rules: under the EU’s “VAT in the Digital Age” initiative (ViDA), all **cross-border B2B sales and purchases within the EU will be subject to digital reporting or e-invoicing requirements by 2030, with structured e-invoices becoming mandatory for intra-EU B2B supplies by 1 July 2030 (see Section 11 and 14 for more on ViDA). Until then, existing EU VAT reporting mechanisms (e.g. EC sales listings and customs declarations) continue to apply to cross-border transactions. [vatcalc.com], [bdo.be] [vatcalc.com]
• E-Reporting Obligations: Alongside e-invoicing, Belgium plans to introduce a “continuous” or near-real-time electronic reporting system (“e-reporting”) from 1 January 2028. This will require transaction data to be transmitted to the tax authorities electronically, shortly after invoices are issued, forming part of a broader tax control framework (see Section 6). The e-reporting system is intended to capture VAT-relevant data for transactions that are not covered by the e-invoicing mandate or to provide the tax authority with a copy of e-invoiced data in real time. In particular, domestic B2C transactions and cross-border B2B transactions (which remain outside the 2026 e-invoicing mandate) are expected to fall under the scope of e-reporting obligations from 2028. The e-reporting will likely replace certain periodic VAT declarations (for example, Belgium has indicated the annual “client listing” of B2B customers will be abolished once real-time reporting is in place). Further technical details on e-reporting (data format, submission method, etc.) will be provided by the authorities as the 2028 implementation date approaches. [edicomgroup.com], [vatcalc.com] [vatcalc.com] [edicomgroup.com]
• Special Cases – Self-Billing, Triangulation, etc.:
  • Self-Billing: Self-billed invoices (where a customer issues the invoice on behalf of the supplier, with the supplier’s consent) are permitted and included in the e-invoicing framework. The Belgian VAT Code already allowed self-billing under certain conditions, and this continues under e-invoicing: the self-billed invoice must be a compliant structured e-invoice, and prior agreement and an acceptance procedure by the supplier are required. In practice, self-billing arrangements will need to use the same e-invoicing platform (e.g. Peppol network) to generate and transmit the invoice, and the invoice must clearly indicate that it is self-billed. The buyer (issuer of the invoice) will have to ensure the invoice is delivered to the supplier via the e-invoicing system for acceptance.
  • Triangulation & Chain Transactions: Cross-border multi-party transactions (such as EU triangulation, where three businesses in different member states participate in a transaction) are not within the scope of Belgium’s 2026 domestic e-invoicing mandate. The normal invoicing and record-keeping rules for such transactions (including required invoice notations for triangulation simplification per EU VAT rules) remain in effect outside the e-invoicing system. These cross-border chain transactions will eventually be subject to the new EU Digital Reporting Requirements by 2030, which will encompass structured reporting (or invoicing) of intra-EU supplies and acquisitions to tax authorities within a short time frame. In summary, if a Belgian business is involved in a chain transaction where the goods are supplied across borders (intra-EU or export), the e-invoice mandate does not apply; instead, those transactions will continue to be handled via existing EU VAT rules until the ViDA reforms take effect.
  • Special VAT Regimes: Most special VAT schemes (e.g. the margin scheme for second-hand goods/travel agents and other similar regimes) are not blanket exemptions from e-invoicing if the transaction is otherwise in-scope. If a Belgian VAT-registered business under a special regime conducts a domestic B2B sale that legally requires an invoice, that invoice must be electronic. However, the content of the e-invoice should reflect any special VAT notations or treatments required by the regime. For instance, under the margin scheme, the invoice should not show VAT details but include a statement that a special profit margin scheme applies. Belgium’s e-invoicing format (based on EN 16931) is being updated by 2026 to accommodate coding of national special regimes (e.g. travel agents, second-hand goods, etc. will have specific Tax Category Codes in the e-invoice to denote these schemes). [einvoice.belgium.be], [einvoice.belgium.be] [einvoice.belgium.be]
  • Note that certain categories of VAT-registered persons are exempted or temporarily excluded from the e-invoicing mandate (see Section 2); for example, businesses that only perform VAT-exempt activities under Article 44 (like many financial, medical or educational institutions) and small businesses under Belgium’s flat-rate farmer/taxpayer scheme (until 2028) are not obliged to issue structured e-invoices. Aside from those specific exemptions, the general rule is that all other domestic B2B invoices fall under the e-invoicing obligations, regardless of the VAT treatment (standard-rated, reduced-rated, zero-rated, etc.). [vatcalc.com], [cleartax.com]

2. Taxable Persons in Scope

• Established Belgian VAT Taxpayers: The e-invoicing mandate applies primarily to taxable persons (businesses) that are established in Belgium and registered for VAT. In other words, any business with a Belgian VAT number and a physical establishment or domicile in Belgium is in scope for mandatory e-invoicing when transacting with other in-country businesses. This includes Belgian companies, sole traders, and Belgian fixed establishments of foreign companies. These in-scope businesses must both issue and be capable of receiving electronic invoices for their B2B sales and purchases within Belgium. [vatcalc.com]
• Non-Established / Foreign Businesses: The mandate excludes certain non-resident or foreign taxable persons: notably, **foreign companies that are merely VAT-registered in Belgium (e.g. via direct registration or fiscal representation) but have no establishment or fixed establishment in Belgium are not required to issue structured e-invoices under the 2026 mandate. The law explicitly clarifies that if a Belgian VAT number is held by a non-established business **without a physical presence in Belgium, transactions with such a business are not subject to the B2B e-invoicing obligation. For example, if a Belgian company purchases goods from an EU foreign supplier who is VAT-registered in Belgium but has no establishment in Belgium, that foreign supplier is not compelled by Belgian law to issue an e-invoice (since the supplier is not a Belgian-established taxpayer).
• Taxable Customers in Belgium: In practice, **the obligation to use e-invoicing is tied to the customer’s status as a Belgian-established VAT taxpayer. Belgian vendors must verify if their B2B customer has a Belgian VAT number and establishment in Belgium – if so, an e-invoice is required; if the customer is a foreign or non-established entity, the mandate does not apply. Customers in Belgium are likewise obliged to be capable of receiving structured invoices. If a Belgian VAT-registered business cannot receive e-invoices (for technical reasons), it risks not having a “valid invoice” for VAT deduction purposes (see Section 10 on penalties). [grantthornton.be]
• Exemptions and Special Cases: Certain categories of VAT-registered persons are exempt or temporarily excluded from the e-invoicing requirement in Belgium, generally to accommodate specific sectors or small business regimes: [cleartax.com], [grantthornton.be]
  • Businesses with only VAT-exempt activities: VAT-registered persons who exclusively perform activities exempt from VAT under Article 44 of the Belgian VAT Code (e.g. many in the financial, medical, educational, or non-profit sectors) are not required to adopt e-invoicing for their supplies. Since these entities do not charge VAT on their supplies, and often deal with final consumers or other exempt entities, the law excludes them from the mandate. [grantthornton.be]
  • “Flat-rate” small businesses (agricultural or other flat-rate taxpayers): Businesses under Belgium’s special flat-rate regime (for certain small enterprises, such as farmers) are initially excluded from mandatory e-invoicing until 1 January 2028. This provides additional time for very small businesses under simplified taxation schemes to prepare for digital invoicing. By 2028, however, these taxpayers are expected to join the e-invoicing system (as the flat-rate scheme is being phased out). [cleartax.com], [grantthornton.be]
  • Bankrupt or Insolvent Taxpayers: Entities that have been declared bankrupt (but still hold an active VAT number for settlement purposes) are exempt from the obligation to issue structured e-invoices. [cleartax.com], [grantthornton.be]
  • Public bodies & non-business activities: Public sector entities are recipients under B2G rules (they must accept e-invoices from suppliers – see Section 1), but when acting as suppliers (e.g. when a public authority sells goods or services in a B2B context), they are likely subject to the same e-invoicing rules as any other taxable supplier. Purely non-commercial public-sector activities are outside the scope of VAT and thus outside e-invoicing requirements.
• Voluntary (Optional) Usage: Businesses that are not obliged to use e-invoicing may opt in on a voluntary basis. For instance, a foreign company that is not established in Belgium can still send a structured e-invoice to a Belgian trading partner if both parties agree to use the format. Likewise, while B2C invoices are not mandated to be electronic, companies are free to use e-invoices or the Peppol network for consumer transactions on a voluntary basis (with the customer’s acceptance), although consumers may not have the capability to receive Peppol invoices. The Peppol network already enables international e-invoicing on a voluntary basis — a Belgian company connected to Peppol can exchange structured invoices with counterparties abroad who are also Peppol-registered. In summary, any business can choose to use e-invoicing even when not mandated, as long as their transaction partner agrees, which can improve efficiency and prepare the business for future obligations. Businesses outside the scope of the mandate will not be penalized for continuing with traditional invoicing, but may find benefits in early adoption of e-invoicing technologies.
• Sector-Specific Considerations: Beyond the above exemptions, there are no broad sector-based carve-outs – the mandate covers virtually all industries. However, certain sectors benefit from the exclusions noted (e.g. financial and healthcare sectors often fall under Article 44 exemptions, and many small agricultural enterprises under the flat-rate scheme have a later deadline). Notably, the Belgian VAT registration threshold was increased from €25,000 to €30,000 annual turnover in 2026 – very small businesses below this threshold do not need to register for VAT at all, thereby avoiding e-invoicing obligations entirely. This threshold hike slightly reduces the number of micro-enterprises in scope of the new rules, alleviating compliance burdens on the smallest businesses. [sharedserv…eslink.com]

3. Implementation Timeline

• Legislative and Regulatory Adoption:
  • March 2023: The Belgian Finance Minister’s tax reform proposal (Phase 1) is unveiled, including plans for a gradual introduction of mandatory B2B e-invoicing as a key measure to modernize VAT administration.
  • 29 September 2023: The Council of Ministers approves a preliminary draft law to introduce mandatory B2B e-invoicing in Belgium, targeting a 1 January 2026 start date. This was a critical first step in the legislative process, indicating political agreement on the scope and timing of the mandate. [pwc.be]
  • October 2023: The Belgian government submits a request to the EU for a derogation from the VAT Directive (2006/112/EC). Under existing EU law, member states needed approval to impose mandatory e-invoicing (departing from the rule of customer consent for electronic invoicing). Belgium’s official application in October 2023 sought permission to mandate e-invoicing from 2026 without violating EU rules. [deloitte.com]
  • 5 January 2024: The draft law on B2B e-invoicing is submitted to the Belgian Parliament for debate and approval. This draft amends the VAT Code to require electronic invoicing for domestic B2B transactions and outlines the framework for implementation.
  • 20 February 2024: The law on mandatory domestic B2B e-invoicing is published in the Belgian Official Gazette (Moniteur Belge/Belgisch Staatsblad). This publication (in both French and Dutch) confirms that the legislative process was completed, setting the mandate in law with an effective date of 1 January 2026. (At the time of publication, the EU derogation was still pending, but subsequent EU-level developments under the ViDA initiative in 2025 removed the necessity of individual derogations by establishing an EU legal basis for e-invoicing mandates – see below.) [deloitte.com]
  • March 2024: B2G e-invoicing becomes obligatory for public procurement contracts advertised after 1 March 2024, as per Royal Decree. Federal government contracts from this date include clauses requiring suppliers to invoice electronically (through the Peppol/Mercurius system) for contracts of €3,000 or more. This marks an expansion of B2G e-invoicing, building on earlier mandates for larger contracts and advancing public sector e-invoice adoption ahead of the B2B rollout. [einvoice.belgium.be]
  • 11 March 2025 (EU Level): The EU’s Economic and Financial Affairs Council (ECOFIN) formally adopts the “VAT in the Digital Age” (ViDA) legislative package. Among other things, the ViDA amendments to the EU VAT Directive (Council Directive (EU) 2025/XXXX) establish a new legal framework for e-invoicing and digital reporting. Notably, from 2024 onward, EU Member States no longer need special permission (derogation) to mandate domestic e-invoicing, and from 2028/2030, new EU-wide e-invoicing and e-reporting rules for cross-border transactions will take effect (see Section 11 and 14). This EU-level change aligns with and supports Belgium’s national plans.
  • July 2025: The Belgian government issues a Royal Decree (Arrêté Royal) in July 2025 that provides further technical and operational details for the upcoming B2B e-invoicing obligation. This decree clarifies standards (Peppol usage, rounding rules, etc.), ensuring businesses have guidance well ahead of the 2026 start date (see Section 4 for technical details). [edicomgroup.com]
  • Late 2025: Belgian authorities continue to refine the framework. A draft law of 3 December 2025 introduces clarifications on the scope of the mandate (e.g. excluding non-established taxable persons) and formally provides for a “soft landing” transitional period in early 2026. This was accompanied by official communications (e.g. FPS Finance announcement on 2 December 2025) about the forthcoming tolerance period.
  • Mid-December 2025: The EU Council of Ministers is expected to have granted Belgium’s requested VAT Directive derogation (if still required). By this time, it is confirmed that Belgium can proceed with mandatory e-invoicing from 2026 (either through the EU’s ViDA adoption or a specific derogation decision).
• Go-Live and Transition:
  • 1 January 2026 – Mandate Commencement: The mandatory B2B e-invoicing regime takes effect on 1 January 2026. From this date, qualifying Belgian businesses must issue electronic invoices for domestic B2B transactions. The system is launched in a “big bang” (all sizes of company and sectors at once) rather than a staggered rollout by industry or enterprise size. Businesses were expected to have their e-invoicing solutions in place by the end of 2025 in order to comply from day one of 2026. [einvoice.belgium.be]
  • **Q1 2026 – Administrative Tolerance Period: The authorities have instituted a three-month “soft landing” grace period from 1 January to 31 March 2026 during which penalties for non-compliance will generally not be imposed, provided the business is making genuine efforts to comply. This tolerance allows companies to iron out technical issues and adapt to the new system. It is not an extension of the deadline – invoices are still legally required to be electronic from January 1, but the tax administration may waive fines for certain violations in Q1 2026 if the taxpayer can demonstrate timely and reasonable preparation and only minor technical difficulties. Each case is assessed individually; firms that show negligence or a lack of preparation may still face sanctions even during Q1 2026. Notably, this grace period does not apply to fraud or egregious non-compliance, and after 1 April 2026 full enforcement begins. [edicomgroup.com], [bdo.be] [bdo.be]
  • 1 April 2026 – Full Enforcement: Starting 1 April 2026, the “transition period” ends and standard enforcement of e-invoicing requirements (including penalties for non-compliance) is in full effect. By this date, businesses are expected to be completely compliant. The government confirmed that no further blanket postponements would be given, in order to maintain momentum and fairness. [vatcalc.com] [edicomgroup.com]
  • 2026–2027 – System Stabilization and Improvements: Through late 2025 and 2026, Belgian authorities and the business community continue working via the “Business Expert Group” and technical committees to resolve implementation issues and fine-tune the e-invoicing system. Ongoing guidance (such as updated FAQs released by the Federal Public Service Finance in October 2025) is provided to help companies comply. The period of 2026–27 is used for further preparations towards e-reporting. [einvoice.belgium.be], [einvoice.belgium.be] [vatcalc.com]
  • 1 January 2028 – Introduction of E-Reporting: Belgium plans to launch mandatory electronic reporting of transaction data (e-reporting) from 1 January 2028. This system, aligned with the EU’s Digital Reporting Requirements, will require VAT-relevant details of B2B transactions to be communicated to the tax administration in (near) real time. It is described as a “five-corner” model built on Peppol (the traditional four-corner model of Peppol plus the tax authority as an additional recipient of invoice data). The 2028 e-reporting mandate is expected to cover transactions that are not already covered by the 2026 e-invoicing obligation – for example, **potentially certain domestic transactions involving parties still exempt from e-invoicing, and notably intra-EU B2B supplies which, under EU law, will require digital reporting. By this date, flat-rate small taxpayers in Belgium (previously exempt) will also be required to adopt e-invoicing, as their exemption expires at the end of 2027. [edicomgroup.com], [vatcalc.com] [vatcalc.com] [cleartax.com]
  • 2030 – EU-Wide Intra-EU E-Invoicing: In accordance with the EU’s timeline, from 2030 structured e-invoicing (or equivalent digital reporting) will become mandatory for cross-border B2B transactions between EU Member States. Belgium’s domestic systems are being designed to smoothly integrate with this EU framework. The Belgian government has indicated that by 2030 the obligation to use e-invoicing will extend to intra-EU B2B invoices as part of the single European ‘ViDA’ system. Thus, the national 2026 mandate is a precursor to full EU-wide electronic invoicing in the years to follow.

4. Technical & Functional Requirements

• Standard Format (XML/UBL – EN16931 Compliance): Belgium’s e-invoices must be issued in a structured electronic format that conforms to the European Norm EN 16931 semantic data model for invoices. In practice, this is implemented via the Peppol BIS 3.0 format, which uses XML syntax (UBL 2.1) and a defined set of data fields compliant with EN 16931. The Peppol BIS 3.0 (Business Interoperability Specifications) is the default standard for Belgian e-invoicing, ensuring interoperability with both domestic and EU trading partners. There is no proprietary “Belgian format” – the system builds on existing international standards. Alternative structured formats (e.g. other EDIFACT/XML-based EDI standards) may be used only if both parties agree and as long as the format covers all required data elements of EN 16931 and is fully compatible with the official semantic standards. This flexibility is meant to accommodate businesses already using EDI or other invoicing networks, but every in-scope taxpayer must still maintain the ability to use Peppol if needed. [edicomgroup.com], [vatcalc.com] [edicomgroup.com]
• Transmission via Peppol Network (Interoperability): Belgium has adopted the Peppol 4-corner model as the primary means of e-invoice exchange between businesses. Under the Peppol framework, each trading entity connects to a certified Peppol Access Point, which handles sending or receiving the invoice through the network on the entity’s behalf. This ensures a secure, standardized exchange where the sender and recipient can be connected via different service providers yet seamlessly exchange invoices. All in-scope businesses are required to be “Peppol-capable” – i.e. able to send and receive invoices through the Peppol network (even if they also use other compliant methods). Invoices are generally transmitted in real time or near real time over the network to the recipient’s Access Point, and a copy or key data may be automatically forwarded to the tax authorities once e-reporting is live (making the tax authority effectively a “fifth corner” in the exchange model from 2028 onward). [vatcalc.com] [edicomgroup.com], [vatcalc.com]
• Mandatory Invoice Content: All Belgian e-invoices must contain the full set of information required by the VAT Code and regulations – the digitization of invoicing does not relax the content requirements. Article 5, §1 of Royal Decree No. 1 lists the mandatory information that every invoice in Belgium must include, which aligns with EU Directive 2010/45/EU rules. Key fields include, for example: [grantthornton.be]
  • Invoice date and a sequential invoice number (ensuring unique identification of the invoice). [grantthornton.be]
  • Supplier’s name, address, and VAT identification number.
  • Customer’s name, address, and VAT identification number (for B2B transactions).
  • Description of the goods delivered or services rendered, including quantity and unit price, allowing determination of what was supplied. [grantthornton.be]
  • Date of supply of the goods or services if different from the invoice date.
  • Taxable amount for each VAT rate or exemption, unit price exclusive of VAT, and any price discounts or rebates if not included in the unit price.
  • Applicable VAT rate(s) and the corresponding VAT amount for each rate, as well as the total VAT amount charged. [grantthornton.be], [grantthornton.be]
  • Any mandatory legends or references required by specific VAT provisions – e.g., indication of self-billing (“Self-billing”), mention of the applicable article for VAT exemptions or reverse charge (“VAT exempt – Article X of VAT Code” or “Reverse charge – Article 51 of VAT Code”), or reference to the margin scheme (“Margin scheme – second-hand goods/travel agents, VAT not deductible”) where applicable. [einvoice.belgium.be], [einvoice.belgium.be]
  • Digital signature or unique identifier, if used (see below), and any applicable electronic timestamp or audit reference.

The Belgian e-invoicing schema based on Peppol BIS 3.0 inherently includes fields for all the above information, so that a compliant e-invoice will automatically contain the necessary data in structured form. For example, Peppol invoices carry specific XML elements for each required field (party details, invoice dates, tax details, etc.), ensuring machine-readability and consistency with legal requirements. [vatcalc.com]

• E-Reporting Data Model: The planned e-reporting system (from 2028) will similarly require a standardized data format. While full specifications are not yet published (as of 2026), the authorities have indicated it will be based on the same data points captured in e-invoices, likely leveraging the Peppol framework for transmission. In essence, e-reporting will transmit either the e-invoice itself or an extract of key invoice data to the tax administration. Mandatory fields for e-reporting will at least include all the information needed for VAT auditing, such as the transaction date, parties’ VAT numbers, amounts, VAT breakdowns, type of goods/services, etc. Belgium’s aim is to mirror the EU Digital Reporting Requirements, meaning each taxable supply/purchase will be reported with a common data set across the EU. Further guidance on the exact data model and format (likely also an XML-based schema) will be released by the tax authorities ahead of 2028. [edicomgroup.com], [vatcalc.com] [edicomgroup.com]
• Validation & Integrity Requirements: Structured e-invoices must pass technical validation and ensure data integrity. The mandated use of EN 16931-compliant format and networks ensures that each invoice includes required fields and follows business rules – e.g., Belgian authorities have specified that VAT rounding must be done only on the invoice total per VAT rate (no line-by-line rounding) from 2026, to avoid discrepancies in automated calculations. In addition, the authenticity of origin, integrity of content, and legibility of an invoice must be guaranteed from the time of issue until the end of the storage period. Belgium’s VAT legislation already required these principles for electronic invoices (implementing EU Directive 2010/45/EU). In practice, using the Peppol network and issuing invoices in a secure, structured format fulfills the authenticity and integrity requirements without a need for manual signatures – the network relies on certified access points and secure digital certificates to ensure the sender’s identity and prevent tampering. (Businesses can still use electronic signatures or other means if they choose, but the law does not mandate a specific signature as long as the transmission method guarantees security.) E-invoices may be subject to automated content validations – for instance, ensuring that arithmetic is correct and mandatory information is present – before they are accepted by the system. [edicomgroup.com] [einvoice.belgium.be] [einvoice.belgium.be], [einvoice.belgium.be]
• Real-Time and Batch Processing: The Peppol system operates in near-real time, meaning invoices are typically delivered to the recipient’s access point in seconds or minutes after issuance. Although the 2026 e-invoicing mandate itself is a post-audit system (i.e. invoices are exchanged directly between supplier and buyer without prior clearance by the tax authority), the forthcoming 2028 e-reporting will introduce real-time or T+1 (next day) reporting of invoice data to the tax authority. The goal is to eventually have continuous transaction controls where key invoice data is available to the tax administration almost immediately after the invoice is issued. Certain deadlines may be defined (for example, under the EU’s ViDA rules, intra-EU supplies will need to be reported within 10 days of the transaction by 2030). For domestic e-invoicing between 2026 and 2027, there is no additional separate reporting step – compliance is achieved by issuing the invoice in the required format through the network. Businesses typically integrate their ERP or billing software with a Peppol service provider or interface, which can send invoices automatically in real time. For any remaining transactions subject to periodic summaries (e.g. B2C sales or certain cross-border transactions), existing VAT return and listing deadlines apply until e-reporting goes live. [vatcalc.com]

5. Correction of Errors in E-Invoices and E-Reporting

• Correcting E-Invoice Errors (Credit Notes & Adjustments): Under Belgian VAT rules, once an invoice is issued (even in electronic form), it cannot simply be altered or deleted; corrections must be made by means of proper adjustment documents. To correct an error on a sent e-invoice (for example, a mistake in the VAT amount or an incorrect customer detail), the supplier typically issues a credit note (also in structured e-invoice format) to cancel or adjust the original invoice, and if necessary issues a new corrected invoice. The credit note must reference the original invoice being corrected and, if it adjusts VAT that has already been accounted for, it should include a statement that any previously deducted VAT related to the original invoice is to be adjusted/refunded to the state. These credit note requirements remain the same in an e-invoicing environment, with the only difference being that credit notes themselves must be electronic. The corrected invoice or credit note should be sent through the same e-invoicing platform (e.g. via Peppol) to ensure the buyer and tax authorities (once e-reporting is live) receive the updated information. [grantthornton.be]
• Handling Rejections and Validation Errors: If an e-invoice fails to meet the technical specifications or contains validation errors (for example, missing mandatory fields or schema errors), it may be rejected by the system or the recipient’s access point. In such cases, the supplier is expected to correct the issue and re-send the invoice in a compliant format. The Belgian e-invoicing framework provides for error codes and feedback through the Peppol network. Timely correction is important – an invoice that is not delivered/accepted in structured form will not be considered a valid invoice for VAT purposes (potentially affecting the buyer’s VAT deduction right until corrected). Suppliers should monitor for any rejection notifications from their e-invoicing service or customers, rectify errors (e.g. add missing data or fix formatting issues), and resend the e-invoice promptly. [grantthornton.be]
• Amending E-Reported Data: The detailed process for correcting errors in e-reports (from 2028 onwards) will be defined in the implementing regulations, but it is anticipated to function similarly to correcting invoices:
  • Notification of Errors: Taxpayers will likely be required to notify the tax authorities of any incorrect data reported as soon as an error is discovered. This could involve flagging the specific transaction record that was wrong.
  • Submission of Corrections: The system will probably allow or require submitting a corrected report or a specific amendment for the erroneous transaction data. This might take the form of sending a corrected invoice through the platform (if the error is in an e-invoice that was reported) or sending a correction message referencing the original report.
  • Timelines: It’s expected that corrections should be made within a certain timeframe (for example, within the same reporting period or within a set number of days of identifying the mistake). Prompt correction will be crucial to avoid penalties once e-reporting is mandatory.

As of now (2026), Belgium has not issued final rules on the e-reporting correction process. Businesses can look to existing models in other countries (such as Italy’s and Spain’s real-time reporting systems) where corrections are made by submitting adjustment documents or replacement records. The Belgian tax authority is expected to provide guidance on error correction procedures before the 2028 e-reporting go-live. In any case, maintaining robust internal controls to validate invoice data before submission will be important to minimize errors that need correction in the first place. [edicomgroup.com]

6. Transmission & Workflow

• Primary Transmission Model – Peppol 4-Corner Network: Belgium’s e-invoicing system uses a decentralized “network” approach based on Peppol. In this model (often called the four-corner model), suppliers and buyers each connect to a certified Peppol Access Point (service provider) which routes the invoice to the recipient’s Access Point over the network. This ensures interoperability (any business can reach any other business on the network, even if they use different providers) and data security. Peppol has been chosen as the default channel for e-invoice exchange in Belgium, leveraging its established use in B2G invoicing (via the Mercurius platform for public sector connections). [vatcalc.com] [edicomgroup.com]
• Interoperability and Other Channels: While Peppol is the main recommended channel, Belgian legislation does allow alternative e-invoicing transmission methods provided they meet the required European standards and both parties agree. For example, if two companies have a pre-existing EDI data interchange system that uses a format compliant with EN16931, they may continue to use it. However, all businesses must still be able to fall back on Peppol if needed – the law effectively mandates that companies be technically equipped for Peppol connectivity as a baseline. This ensures no business can refuse a structured invoice on the grounds of technical incompatibility. In the B2G context, Belgium already uses a hybrid model: suppliers can send e-invoices via Peppol to the Mercurius central platform which then distributes invoices to public entities, or directly to a government entity’s own Access Point on Peppol. A similar concept will extend to B2B, though without a central government “clearance”; the government will receive data in parallel (in the future e-reporting system) rather than acting as an intermediary for every invoice exchange. [edicomgroup.com], [vatcalc.com] [edicomgroup.com]
• Deadlines for Transmission: Under the 2026 e-invoicing mandate, there is no separate “reporting deadline” because invoices are sent as they are issued (in real time). The expectation is that businesses will transmit each invoice through the e-invoicing network at the time of issuance (or very shortly after), effectively making the legal invoice issuance deadline also the transmission deadline. Belgian VAT law already required that invoices for B2B supplies be issued **by the 15th of the month following the month of supply at the latest (per EU Directive 2006/112 rules), and this continues to apply. Thus, in practice, a structured e-invoice should be sent to the buyer no later than this statutory invoicing time limit (and typically much sooner, often immediately when goods are delivered or services supplied).
• E-Reporting Transmission (Real-time Data to Tax Authorities): Beginning in 2028, Belgium’s e-reporting system will introduce deadlines for sending invoice data to the tax authorities:
  • The intent is for “almost immediate” or at least very prompt transmission of each invoice’s data to the FPS Finance (tax authority) once the e-reporting mandate is active. The model under consideration is a continuous transaction control where invoice data flows through the Peppol network and a copy is forwarded to the government in real time (5-corner model). This would effectively mean real-time or T+1 day reporting of each invoice. [vatcalc.com]
  • Additionally, for transactions not involving two Belgian-established businesses (e.g. cross-border B2B or B2C transactions which by 2028 may still not require an actual e-invoice), the e-reporting system could require summary or transaction-level reports at defined intervals. It’s not yet confirmed if Belgium will mandate, for example, monthly or quarterly e-reporting for B2C sales or other non-invoiced transactions – details are pending. However, given the aim to replace existing declarations, it is likely that annual or periodic listings (such as the client listing) will be eliminated in favor of transaction-by-transaction reporting. More information on specific deadlines (e.g. exact number of days to report a transaction) will be released prior to 2028. [vatcalc.com]
• Process Workflow: In the mandated period:

1. Invoice Creation: The supplier generates an invoice in their accounting or ERP system. Instead of printing it or emailing a PDF, the system creates a structured e-invoice (XML/UBL format) containing all required data (see Section 4). [edicomgroup.com]
2. Dispatch via Access Point: The supplier’s system or service provider sends the e-invoice to the supplier’s Peppol Access Point, which in turn routes it through the Peppol network to the buyer’s Access Point (determined by the buyer’s Peppol ID). If the buyer is not on Peppol, the supplier’s service provider may convert or deliver the invoice via an alternative agreed channel (as long as compliance is maintained). [vatcalc.com]
3. Delivery to Buyer: The buyer’s Access Point receives the invoice and delivers it into the buyer’s accounting system or invoice management solution. The buyer’s system will typically run checks/validations (ensuring the invoice can be processed straight-through). The buyer can then approve and pay the invoice as per normal process, but with much faster and more automated handling.
4. (From 2028) Delivery to Tax Authority: With e-reporting in place, the invoice data will simultaneously be transmitted to the Belgian tax authorities either by the supplier’s Access Point or through a central platform that interfaces with the Peppol network. The exact workflow is expected to follow the “network + clearance” hybrid model: the invoice flows from supplier to buyer as above, and a copy or key data elements are sent to the government in real time. Tax authorities then have immediate visibility of the transaction for VAT control purposes (without interrupting the business process). [vatcalc.com], [vatcalc.com]

• Acknowledgements and Receipts: Belgium’s system, being post-audit (for 2026–2027), does not require the supplier to obtain prior approval from the government before an invoice is considered issued (unlike some “clearance” systems such as Italy’s SDI). The proof of e-invoice issuance and receipt is typically the electronic delivery confirmation from the Peppol network or the buyer’s system. Peppol provides technical acknowledgments when an invoice is delivered to the recipient’s access point, and recipients may also send back a message (such as a basic acceptance or rejection notification). For compliance, an electronic timestamp and the successful transmission log serve as evidence of dispatch and receipt. From 2028, the tax authority’s system may also generate an acknowledgment of reported data receipt.
• Use of Service Providers: Companies can use various solutions to comply with the transmission requirements:
  • Many will integrate an e-invoicing service provider or software that is Peppol-certified to handle the formatting and sending of invoices.
  • Others may choose to develop in-house solutions or use their ERP’s built-in Peppol connectivity. [pwc.be], [pwc.be]
  • For smaller businesses, several affordable cloud-based invoicing tools are available, some of which may be provided by certified providers or even offered by government-linked platforms in partnership with industry (the **“Mercurius” portal handles B2G invoices; a similar approach named “Hermes” is envisioned to help SMEs with B2B e-invoicing). These tools often simplify compliance by providing a user-friendly interface to create and send e-invoices without needing a complex IT system. [einvoice.belgium.be], [einvoice.belgium.be]
• Deadlines for Legacy Reports: Until e-reporting is live, businesses must continue to file existing VAT returns and listings (e.g., monthly/quarterly VAT returns, annual client listings, Intrastat, EC sales listings) by their usual deadlines. The e-invoicing mandate does not change the filing dates for periodic obligations. However, as noted, the plan is to eliminate or streamline some of these once real-time reporting covers the necessary data.
• Workflow Exceptions – Fallback to Paper/PDF: The law provides a **limited exception (fallback procedure) for situations where the customer is technically unable to receive an e-invoice (for example, due to the customer’s system being down or not yet connected). In such genuine cases of technical incapacity, the supplier will not be penalized for issuing a traditional invoice (paper or PDF) instead, provided the supplier has made all reasonable efforts to comply and the issue lies with the buyer’s capabilities. The supplier must ensure the standard VAT invoice requirements are met in the paper/PDF, and it is advisable to document the buyer’s inability to receive the e-invoice (for audit purposes). Importantly, this fallback is temporary and exceptional: the customer still has the obligation to become e-invoice capable, and could face enforcement action if they do not remedy their IT shortfall in a timely manner. This provision is designed to protect compliant suppliers from being unfairly penalized due to a trading partner’s lack of preparedness during the early phase of the mandate. [bdo.be]

7. Self-Billing

• Legality of Self-Billing under the Mandate: **Self-billing (in which the customer prepares the invoice on behalf of the supplier, with the supplier’s consent) remains permissible under Belgian VAT law and is compatible with the e-invoicing mandate. The introduction of mandatory e-invoicing does not abolish or forbid self-billed invoices. However, self-billing arrangements must also comply with the e-invoicing requirements – i.e., a self-billed invoice for a domestic B2B transaction in Belgium must be generated as a structured electronic invoice and transmitted via the mandated platform (Peppol) just like any other invoice. The self-billing customer effectively becomes the issuer of an e-invoice (via Peppol) to itself (the buyer) on the supplier’s behalf, so the process needs to be handled by an e-invoicing solution on the customer’s side, with the supplier’s authorization.
• Conditions for Self-Billing: Belgian VAT regulations require that certain conditions are met for self-billing:
  • Prior Agreement: There must be a pre-existing mutual agreement between the supplier and customer to use self-billing. The supplier must consent to let the customer issue invoices on its behalf. [cleartax.com]
  • Acceptance Procedure: Each self-billed invoice must be sent to the supplier (electronically) for approval/acceptance. In practice, the Peppol network can facilitate this by delivering the invoice to the supplier’s Access Point as well, or the supplier might receive a copy via their system to formally accept. The supplier’s acceptance is required for the invoice to be considered issued for VAT purposes. (The exact workflow for electronic acceptance can be configured in many e-invoicing solutions; for example, the supplier may “approve” the self-billed invoice in a portal or via an automated acknowledgement.) [cleartax.com]
  • Mandatory Content: A self-billed invoice must meet all the normal content requirements and additionally indicate that it is self-billed. Typically, the invoice will include a legend such as “Self-billing: invoice issued by the customer” (and reference any self-billing agreement code if applicable). The structured format allows for flagging an invoice as self-billed in the data fields as well.
  • Platform Use: If self-billing is used for in-scope transactions, it must be done through the e-invoicing platform just as any other invoice. Many e-invoicing service providers offer self-billing modules or functionality since this is a common practice in certain industries (e.g. retail, construction). The Peppol BIS standard supports self-billing scenarios (also known as “customer invoice”).
  • Buyer’s Duties: In a self-billing scenario, the customer (buyer) takes on the responsibility for correct invoice issuance. Thus, the buyer must ensure the invoice is compliant and delivered. The supplier, on the other hand, must still report the VAT from that invoice in its returns as if it had issued it. The self-billing agreement should outline how discrepancies are handled (e.g. if the customer makes an error on the invoice, they must issue a correcting document).
• Use of E-Invoicing Platform for Self-Bills: Belgium’s e-invoicing mandate does not require any separate platform for self-billing – the same national e-invoicing infrastructure is used. Buyers issuing self-billed invoices should use their e-invoice solution to create a compliant invoice file and send it via Peppol, with a copy to the supplier for approval. Once approved, that e-invoice serves as the official invoice for VAT purposes, and it will be recorded in both parties’ systems (and reported to the tax authority via e-reporting in the future). [cleartax.com]
• Validation and Compliance: The tax authority will treat self-billed invoices like any other invoice under the mandate; thus if a self-billed invoice is not submitted as a structured e-invoice when it should be, it could trigger the same penalties as a normal invoice issued non-compliantly. Buyers who engage in self-billing should be careful to follow the required process, as errors can affect both parties’ VAT positions.
• Notification Obligations: Other than the need for a formal self-billing agreement between trading partners, there is no special notification to the tax administration required solely for self-billing in Belgium. (However, if audited, businesses should be able to present the self-billing agreement and demonstrate that the supplier has agreed to this arrangement, as per general VAT rules.)

8. Triangulation & Special Scenarios

• Triangulation (Intra-EU Three-Party Sales): Triangular transactions involving multiple EU member states are by nature outside the scope of Belgium’s domestic e-invoicing mandate when the transactions are not entirely domestic. In a typical EU triangulation, at least one of the parties is in another country, and the VAT treatment is governed by EU rules (simplified triangular regime under which the intermediary does not register in the customer’s country). Under the 2026 rules, a Belgian business participating in a triangulation still needs to issue invoices as required by EU VAT law (with appropriate reference to the triangulation simplification on the invoice), but these invoices are not mandated to be routed through the Belgian e-invoicing system unless both sender and recipient are established in Belgium. For example, if a Belgian company (A) sells goods to a French company (B) who immediately resells them to a German company (C), with direct transport from A to C (classic triangulation): A’s invoice to B is an intra-Community supply (zero-rated for VAT) and B’s invoice to C is likely French VAT reverse-charged – neither invoice falls under Belgium’s domestic e-invoicing mandate. These will continue to be handled via the existing process (A lists the sale in its EC Sales List; B may have French VAT obligations, etc.). **However, from 2030, EU cross-border e-invoicing and reporting requirements will come into effect under ViDA, meaning triangulation transactions will need to be digitally reported at the EU level (with a likely 10-day reporting deadline for intra-EU supplies). [vatcalc.com], [grantthornton.be] [vatcalc.com]
• Chain Transactions (Multi-step sales): Domestic chain transactions (involving multiple parties but where goods remain in Belgium) are covered by the e-invoicing mandate just like any other B2B sales. Each link in the chain between Belgian VAT-registered firms would require an electronic invoice. For international chain transactions (involving movement of goods across borders), the same logic as above applies: Belgium’s e-invoicing covers the Belgian VAT-leg of the transaction, but not the foreign legs. Businesses should continue to follow EU VAT rules for chain transactions (including proper invoice statements to indicate any VAT exemptions or reverse charges), and prepare for enhanced EU cross-border reporting in the future under ViDA.
• Cross-Border B2B Services and Reverse Charge Scenarios: Sales of services from a Belgian company to an EU business in another member state (or vice versa) are generally subject to VAT reverse charge under the EU “place of supply” rules, meaning no Belgian VAT is charged. Such cross-border B2B services are not subject to the 2026 e-invoicing mandate (since the customer is not Belgian-established). The foreign customer may receive a PDF invoice as per current practice, and the transaction is reported via EC Sales List if required. Similarly, if a Belgian company receives services from an EU supplier and applies reverse charge, the foreign supplier isn’t bound by Belgian e-invoice rules. These cross-border B2B services will, however, fall under the EU’s new digital reporting requirements by 2030 (which cover intra-EU B2B transactions including services) – under the ViDA framework, cross-border invoices or transaction data must be reported to tax authorities within 10 days of the transaction. [vatcalc.com]
• Zero-Rated and Exempt Supplies:
  • Zero-Rated Supplies (Exports, Intra-EU Supplies): Exports and intra-Community B2B supplies from Belgium are not subject to the domestic e-invoicing mandate, as these are destined for customers abroad. Belgian exporters will continue to issue invoices (often required for customs or VAT zero-rating evidence) in the traditional manner – they may use electronic invoices voluntarily, but foreign buyers are not obliged by Belgian law to accept a Belgian Peppol invoice. These zero-rated outbound transactions will need to be digitally reported to the tax authority when the EU e-reporting system for intra-EU trade is introduced (targeted for 2028–2030), replacing today’s periodic EC sales listings. Until then, exporters must still adhere to the existing requirements (issuing invoices with “VAT Exempt – export” or similar notation, collecting proof of export, and filing listings). [vatcalc.com]
  • Domestic VAT-Exempt Supplies: If a Belgian business sells goods/services that are exempt from VAT (under Article 44, without credit) and the business engages exclusively in such exempt activities, it is not within the e-invoice mandate (as noted earlier). If a business makes a mix of taxable and exempt supplies, the taxable B2B supplies must be e-invoiced, whereas purely exempt supplies to business customers might not require invoices under VAT law at all (in some cases). Notably, if an exempt supply is one where an invoice is still legally required or issued (for example, a financial institution issuing an invoice for record purposes), it can be issued on paper/PDF since it’s outside the mandate – though such businesses may voluntarily use e-invoicing. [bdo.be]
  • Special Schemes (Margin, etc.): As noted, supplies under special VAT schemes (e.g. the travel agents’ margin scheme, second-hand goods margin scheme) are generally not exempt from the e-invoice requirement if the transaction is a B2B sale within Belgium – the invoice must be electronic, albeit with special content rules (such as not showing VAT amount, and adding a remark about the margin scheme). The Belgian authorities are updating e-invoice data standards to allow proper Tax Category Codes for these special regimes so they can be reported correctly in the structured format. [einvoice.belgium.be]
• Local Nuances: Businesses should keep an eye on future guidance from Belgian authorities for handling complex scenarios. For example, certain **domestic transactions that are formally outside VAT scope (e.g. some transactions by public bodies) or subject to joint liability rules may have specific reporting requirements in the new system. Thus far, the core focus is on typical B2B VAT-taxable supplies. As new publications emerge (including possibly a “FAQ” or circular from the tax authority clarifying edge cases), taxpayers engaged in unusual scenarios should consult those guidelines to ensure compliance.

9. Archiving & Retention

• Retention Period: Belgian law requires that invoices (including electronic invoices) be archived for a period of at least 7 years, and in certain cases up to 10 years. In practice, the standard retention period for VAT documents in Belgium is at least the current year + 7 years (which effectively can be up to almost 8 years) for most records. However, the e-invoicing implementation emphasizes a 10-year retention period for electronic invoices – likely aligning with the extended timeframe (10 years) for keeping digital records in some cases. To be safe, businesses are generally recommended to keep e-invoices for 10 years from issuance, since some transactions (e.g. capital goods or real estate) legally require a 15-year retention under VAT law. The retention period ensures that VAT audits can verify past transactions within the statute of limitations. [vatcalc.com]
• Format of Archiving: Invoices must be archived in their original format and in a way that guarantees authenticity, integrity, and readability for the entire retention period. For e-invoices, this means the structured invoice file (e.g. XML/UBL) should be stored electronically in a secure manner. Simply keeping a printed copy of an e-invoice is not sufficient – the digital form must be preserved because it contains the authentic machine-readable data and digital signatures/controls. Businesses may convert e-invoices to human-readable PDF for convenience, but the original electronic data file needs to be retained (and presented to tax inspectors on request). [einvoice.belgium.be]
• Permissible Storage Locations: Belgium allows electronic archiving of invoices, including storage on cloud servers or outside the country, provided certain conditions are met. There is no requirement that the data be stored on servers physically in Belgium, as long as tax authorities can be granted access to the archives without undue delay and the data remains intact and readable. Cross-border storage (within the EU or even in third countries) is permitted if the data protection and access conditions align with Belgian/EU standards. The archives can be kept by the company itself or outsourced to reliable third-party archival service providers. [vatcalc.com]
• Ensuring Integrity & Readability: **Throughout the retention period (7–10 years), the “AIM” principle must be upheld: Authenticity of origin, Integrity of content, and legibility (“readability”) of invoices. Businesses should implement controls such as digital signatures, audit trails, or secured access systems to ensure that the e-invoice data is not altered and remains accessible. The use of the Peppol network and standardized formats inherently contributes to integrity and authenticity (through secure transmission, metadata, and identity verification of senders/receivers). Additionally, companies often use electronic archiving solutions that provide time-stamping and hash mechanisms to detect any changes to stored invoices. It’s important that the invoices can be made human-readable on demand – for example, being able to present a legible invoice copy (screen or print) to an auditor if requested in the future. Using established formats like UBL/XML means that invoices can be rendered in layman-readable form via standard software when needed. [einvoice.belgium.be] [einvoice.belgium.be], [einvoice.belgium.be]
• Audit Accessibility: Tax auditors must be able to access and review archived invoices readily upon request. Businesses should organize their e-invoice archives so that any invoice from the past 7–10 years can be quickly retrieved and provided in a readable format to the authorities. During an audit, if a taxpayer cannot produce a required invoice or if the invoice’s authenticity/integrity is in doubt due to poor archiving, the tax administration may consider the invoice improper and can deny the VAT deduction for the expense or apply penalties. Thus, compliant archiving is an essential part of the e-invoicing system. Companies are advised to review their IT backup policies, ensure multiple copies or redundancies for electronic records, and possibly keep metadata or logs that prove when and how an e-invoice was sent/received. [vatcalc.com] [grantthornton.be]
• Local Storage vs. EU/Third-Country Storage: Belgian regulations do not prohibit storing invoice data in other countries or in the cloud, but if archives are kept outside of Belgium, the company must guarantee that access by Belgian tax authorities can be provided on request (for example, by providing the necessary access credentials or by retrieving the data promptly) and that the data is stored in a manner compliant with EU data protection laws. Some businesses choose to store e-invoices within the EU to easily meet these standards, but it is not explicitly required as long as the accessibility and integrity conditions are met. [vatcalc.com]

10. Penalties & Enforcement

• Failure to Issue E-Invoices: Belgian VAT law imposes significant penalties for not complying with invoicing obligations. If a supplier fails to issue a required invoice or issues an invoice not in the prescribed form (e.g. issuing a paper invoice when an e-invoice was mandatory), the **tax authorities can levy a proportional fine of up to 100% of the VAT amount on that invoice. In practice, the fine may vary (with a reduced rate between 60% to 100% of the VAT due, depending on circumstances). This is a substantial penalty designed to enforce compliance. In addition, the customer may lose the right to deduct the VAT if the purchase invoice they received was not a valid structured e-invoice when required (since legally no compliant invoice exists in that case). In essence, an in-scope invoice issued outside the e-invoicing system can trigger both a penalty on the issuer and denial of VAT recovery for the buyer. [grantthornton.be]
• Penalties for Incorrect or Late E-Reporting: Specific sanctions for the forthcoming e-reporting (real-time reporting to tax authorities) are expected to be introduced closer to 2028. While the exact amounts or percentages are not yet published, businesses should anticipate penalties akin to those for failures in existing VAT filings (e.g. fines for late submission or inaccuracies in VAT returns or listings). The goal of e-reporting is to ensure timely, accurate data, so late or incorrect submission of required e-reports will likely result in administrative fines (possibly on a per-invoice or per-period basis) and could also impact VAT assessments. As a benchmark, other EU countries’ real-time reporting regimes (like Spain’s SII) impose penalties for late or missed submissions per invoice or per statement. Belgium’s implementation will specify these details in due course. Taxpayers should plan to have processes in place to capture and transmit transaction data within the required deadlines to avoid penalties once e-reporting is in force.
• Technical Non-Compliance (Platform Requirements): Recognizing that e-invoicing requires technical capability, Belgium has set fixed administrative fines for failing to meet technical e-invoicing requirements. If a business does not implement the necessary systems to issue and receive e-invoices (in essence, not being **“Peppol-connected” or not using a compliant format), they face graduated fines: €1,500 for a first offence, €3,000 for a second, and €5,000 for a third offence (within a specified period). These fines specifically target non-compliance with the format and transmission obligations (for example, continuing to send PDFs or non-compliant files). They are separate from the percentage-of-VAT fines mentioned above. Repeat offenders could see fines increase, and after multiple infractions, additional measures could be taken by authorities (e.g. audits or referral for prosecution in case of systemic fraud). [edicomgroup.com]
• Penalties for Buyers Not Adapting: As noted, a purchaser that cannot receive e-invoices correctly will find itself without a valid invoice for VAT deduction. The Belgian VAT Code holds that a buyer who doesn’t have a compliant invoice cannot claim the input VAT – effectively a built-in penalty by denying the VAT credit. Additionally, if a buyer were to knowingly accept an improper invoice and still deduct VAT, the authorities can impose a “false deduction” fine (usually 10% of the VAT improperly deducted) for negligence. Thus, buyers are strongly incentivized to ensure they can process e-invoices. During the initial phase, the tax administration has indicated it will show leniency to buyers encountering genuine technical issues in receiving e-invoices (see Section 3 on the tolerance period and fallback), but this is temporary. Ultimately, both sides of a B2B transaction are responsible for compliance: the supplier to issue an e-invoice, and the customer to be able to receive it. [grantthornton.be]
• Archiving Violations: Proper archiving of invoices (Section 9) is a legal requirement. If a business fails to keep invoices in the required format for the full retention period or compromises their integrity, the tax authority can impose fines and potentially disallow VAT deductions related to those invoices. For example, if a company cannot produce an e-invoice during an audit (or produces an altered/illegible file), the auditor may treat the situation as if no valid invoice existed, leading to disallowed input VAT or assessment of missing output VAT, along with possible fines (often a percentage of the VAT amount). Additionally, specific penalties can apply for not complying with invoicing or bookkeeping regulations, which include fixed fines per missing or incorrect invoice in some cases under general Belgian VAT penalty provisions. [grantthornton.be]
• Intentional vs. Negligent Non-Compliance: Belgian law differentiates between negligent errors and willful fraud. Unintentional mistakes or technical errors (e.g. initially sending a wrong format due to software issues) are generally dealt with via the administrative fines and corrected through the tolerance policy in early 2026. However, intentional evasion or fraud involving invoices (such as deliberately failing to invoice sales, using fake invoices, or altering data to evade VAT) can result in much harsher consequences. In confirmed cases of VAT fraud via invoicing, courts have imposed fines up to 200% of the evaded VAT, alongside potential criminal charges. The e-invoicing system is in fact expected to increase the tax authority’s ability to detect discrepancies and fraud (especially once e-reporting is active). Therefore, while minor compliance issues may incur fixed fines, systematic or fraudulent non-compliance would be pursued under general anti-fraud provisions of the law, with higher penalties. [grantthornton.be] [vatcalc.com], [vatcalc.com]
• Additional Penalty Provisions: Belgium’s VAT Code includes many existing penalty articles that continue to apply. For instance:
  • Late Invoicing: If an invoice is issued late (beyond the legal time limit), a fine (often about 10% of related VAT) can apply, even if the invoice is electronic. Timely issuance remains crucial.
  • Incomplete or Incorrect Invoice Data: Incomplete invoices can trigger fines (usually a percentage of VAT or a fixed amount) and jeopardize VAT deduction until corrected. [grantthornton.be]
  • Failure to comply with e-invoicing in specific cases (e.g. self-billing without agreement, or not using the platform when required) may have its own penalties under the new regulations.
  • Continuous non-compliance: could result in tax audits or other enforcement actions, as well as reputational risk.

Belgian authorities have indicated that enforcement will be robust after the initial grace period, as the electronic system will make detection of non-compliance easier (for example, it will be apparent if a VAT-registered business stops sending any e-invoices). All businesses are therefore advised to take compliance seriously to avoid financial penalties and business disruptions. [vatcalc.com]

11. Pre-Filled VAT Returns

• No Current Pre-Filled VAT Returns: As of 2026, Belgium does not yet provide pre-filled periodic VAT returns to taxpayers based on invoice data, nor are periodic VAT return forms automatically populated by the tax administration. Businesses must continue to prepare and file their own VAT returns (monthly or quarterly) reflecting their sales and purchases in the traditional way. The introduction of e-invoicing and e-reporting is primarily aimed at improving tax control and reducing fraud, rather than immediately changing the VAT return filing process.
• Future Possibilities: There are discussions at both national and EU levels about leveraging e-invoicing data to pre-fill VAT declarations in the future. For instance, the European Commission’s ViDA initiative envisions that with real-time digital reporting in place for cross-border transactions, tax authorities could use the data to offer pre-completed VAT returns or at least cross-check data automatically. In Belgium, the tax reform proposals have not explicitly included pre-populated VAT returns yet, but officials have suggested that once the continuous transaction reporting system (from 2028) is running, it may enable the tax authority to draft parts of the VAT return (such as the sales listings or VAT due calculation) using the reported data. This could reduce the compliance burden on businesses in the long term.
• Dependent on E-Reporting Data: Any move toward pre-filled VAT returns would heavily depend on the comprehensive collection of transaction data via e-invoicing/e-reporting. Once e-reporting is in effect and the tax authorities receive all B2B invoice details in near real-time, they will have a substantial portion of the data needed for VAT returns (e.g. total taxable sales, total VAT charged, etc., possibly even cross-border info to replace EC Sales Lists). However, certain fields of the VAT return might still require taxpayer input or verification – for example, adjustments, pro-rata calculations for input tax, or information on exempt/non-taxable activities would likely need to be confirmed by businesses. Pre-filling would probably cover the straightforward figures (taxable turnover and VAT due, based on the e-invoices and e-reports submitted). [vatcalc.com]
• Planned Implementation: At the moment, Belgium has not set a firm date for introducing pre-filled VAT returns. The focus is first on successfully implementing e-invoicing and e-reporting. If these systems prove effective and data quality is high, it is conceivable that sometime after 2028 the authorities might begin providing draft VAT returns (similar to initiatives in countries like Italy). The EU is also moving in this direction; by 2030, with unified digital reporting for intra-EU transactions, the groundwork will be laid for pre-populated EU-wide VAT returns in future years. For now, Belgian businesses should continue to file VAT returns as before, ensuring the accuracy of their declarations. E-invoicing and e-reporting will act as verification tools (tax authorities can cross-check the reported invoice data against filed returns to spot discrepancies) and may eventually evolve into a basis for pre-filled returns once the system matures.

12. Impact on SMEs and Startups

• Compliance Burden vs. Preparedness: Small and medium-sized enterprises (SMEs) in Belgium will experience both challenges and benefits from the e-invoicing mandate. On one hand, there are upfront compliance costs and changes to business processes – SMEs must invest in compatible software or online tools, adjust their invoicing workflows, and possibly train staff on the new system. This can be a particular challenge for very small businesses or startups with limited IT resources. However, mitigating these concerns, the Belgian government and market have taken steps to assist SMEs:
  • Affordable Solutions: There is a range of low-cost or even free e-invoicing solutions targeted at SMEs. The Belgian authorities have emphasized that e-invoicing is accessible and “within everyone’s reach,” noting that market analysis shows many affordable tools for small businesses and user-friendly interfaces (comparable to online banking in complexity). [einvoice.belgium.be]
  • Government Support: Belgium has provided tax incentives to encourage SME digitalization. For example, from 1 January 2025, companies investing in digital invoicing systems can enjoy a higher investment deduction of 20% (up from the usual rate). Additionally, for tax years 2024 through 2027, small enterprises and self-employed individuals can deduct 120% of the cost of e-invoicing software subscriptions from their taxable profits. These measures effectively subsidize the expense of adopting e-invoicing solutions and aim to ease the financial impact on smaller firms. [cleartax.com]
  • Raising of VAT Registration Threshold: As mentioned, Belgium increased the VAT registration threshold to €30,000 annual turnover in 2026, up from €25,000. This change means the smallest micro-entrepreneurs can avoid VAT registration (and thus the e-invoicing mandate) if their sales stay below €30k/year, slightly reducing the number of very small businesses affected. [sharedserv…eslink.com]
  • Phased Inclusion of Certain Micro-Businesses: Belgium provided a longer transition for businesses under the “flat-rate” farmer/taxpayer scheme – effectively giving many micro-businesses (often in agriculture or small trades) until the end of 2027 to comply (see Sections 2 and 3). This acts as a phased onboarding for those SMEs, allowing extra time to adjust to the new system. [cleartax.com]
• Operational Impacts on SMEs: SMEs will need to adapt their invoicing and accounting processes. Those who have already embraced digital invoicing stand to benefit from faster invoice processing and reduced administrative workload:
  • Process Automation: E-invoicing can significantly cut down the time spent on issuing, sending, and following up on invoices. Manual encoding of invoice data is eliminated, which can reduce errors and free up staff time for other tasks. [einvoice.belgium.be]
  • Cost Savings: By removing paper, printing, and postal costs and by streamlining processing, e-invoicing can save a substantial portion of invoicing costs – studies by Belgium’s Administrative Simplification Agency suggest savings of several euros per invoice processed electronically, compared to traditional methods. These savings can be especially meaningful for SMEs with high volumes of invoices relative to their size. [pwc.be]
  • Faster Payments & Cash Flow: With e-invoices, delivery to customers is instantaneous, which can lead to quicker invoice approval and payment cycles. SMEs may see improvements in cash flow as payment delays due to lost or slow mail are reduced. Moreover, automated invoice processing by recipients can diminish payment disputes (since data is more accurate), potentially resulting in faster reconciliation and fewer payment errors.
  • Earlier Error Detection: As e-invoices are standardized and potentially fed into the tax authority systems (by 2028), errors or omissions (like missing VAT numbers, wrong rates, etc.) can be identified more quickly by either the trading partner’s system or by tax controls. This early detection can benefit SMEs by allowing them to correct mistakes before they lead to larger issues or penalties, thus reducing the risk of extended audits or accumulated errors.
  • Administrative Burden vs. Simplification: While the initial implementation is a significant project (especially for SMEs that may not have dedicated IT staff), the long-term effect is expected to be administrative simplification. For example, once e-reporting is live, SMEs will no longer need to submit the annual “client listing” of Belgian customers, as the tax authority will already have that transactional data. Additionally, preparing VAT returns could become simpler if much of the sales data is auto-collected. Therefore, after the adjustment period, compliant SMEs may experience a reduction in routine paperwork and audit-related stress. The government has positioned e-invoicing as a step that can “stimulate investments” and modernize business operations, making companies more efficient and competitive in the long run. [vatcalc.com] [edicomgroup.com]
• Market and Competitive Effects: The mandate is likely to accelerate the digital transformation of business processes in Belgium, creating a more level playing field in terms of tech adoption:
  • Digital Advantage: SMEs that adopt e-invoicing early gain experience and can optimize their finance processes ahead of competitors. Early adopters might integrate e-invoicing with their accounting, inventory, and ERP systems, yielding faster order-to-cash cycles and better financial visibility. This can be a competitive advantage in terms of efficiency and the ability to engage in business with larger companies or government (many large buyers prefer or require electronic invoices).
  • Interoperability Challenges: With the new system, businesses must ensure their systems can interoperate on Peppol and handle the EN16931 format. SMEs that rely on outdated software may face challenges and need upgrades or middleware. This could lead to growth in the market for accounting software upgrades and service providers assisting SMEs, which could be a cost but also an opportunity for the tech sector to support small businesses.
  • Inclusion and Market Changes: Over the medium term, as all businesses large and small use e-invoicing, the market expectation will shift – electronic invoicing will become the norm. SMEs that lag behind may risk being seen as less efficient suppliers. Conversely, once the mandate is in effect, SMEs will no longer be at a technological disadvantage compared to larger firms in invoicing, potentially boosting their participation in digital supply chains. The government’s messaging to SMEs has been that e-invoicing is not just a compliance duty but an opportunity for modernization and efficiency gains, even for small enterprises. [einvoice.belgium.be]
• SME Readiness: Recent analyses suggest that Belgian SMEs are relatively well-positioned to adapt:
  • According to a 2025/2026 survey, Belgium’s SME sector is among the most digitally advanced in Europe. Over one third of Belgian SMEs were already operating fully in the cloud, and many had started using e-invoicing solutions before the mandate, seeing digital tools as essential for efficiency. This digital readiness should help reduce the shock of the transition. [europesays.com], [europesays.com]
  • Belgian authorities created a Business Expert Group including SME representatives to gather feedback and ensure the e-invoicing framework considered the needs of smaller companies. As a result, features like the Peppol network’s open model, affordable access via service providers, and transitional measures were designed in part to help SMEs on-board. [einvoice.belgium.be]
  • EU-level assessments (from the ViDA proposal’s impact assessment) acknowledged that smaller businesses across Europe might face higher initial proportional costs, but also stand to benefit from simpler compliance in the long run. Policymakers have noted that digital reporting could reduce compliance costs once systems are in place, by automating tax declarations and reducing errors.
• Conclusion for SMEs/Startups: Overall, the e-invoicing mandate in Belgium is expected to drive SMEs towards greater digitization. In the short term, it requires effort and expense to comply, but in the long term it can yield efficiency gains, cost savings, and more robust financial practices. The Belgian government has provided time, guidance, and incentives to soften the impact on smaller businesses (a tolerance period, tax deductions for software, exclusion of the tiniest firms, etc.), and the market offers many scalable solutions for e-invoicing. SMEs and startups are encouraged to view this as a chance to modernize and integrate their billing with digital accounting, which can improve cash flow management and reduce manual administrative tasks. Organizations like Big Four and mid-tier accounting firms, as well as industry groups, have published readiness guides and are offering support to SMEs to help them navigate this transition. With Belgium’s SMEs already demonstrating strong digital adaptability, the country’s shift to e-invoicing could further cement a competitive, technologically advanced environment for businesses of all sizes. [europesays.com], [europesays.com]

13. Official References

Businesses and practitioners seeking more information should consult the following authoritative sources on the Belgian e-invoicing and e-reporting framework (all links are to official or reputable external resources):

• Belgian Government E-invoicing Portal (FPS Finance & BOSA): “From when is e-invoicing mandatory?” – Official government guidance outlining the scope and start date of the mandate (B2B from 2026, B2C/B2G specifics). This site (einvoice.belgium.be) contains FAQs, legal references, and implementation guidance for businesses in English, French, and Dutch. Key pages include “Who is concerned by e-Invoicing?” and “8 misconceptions about e-Invoicing” which address common questions. [einvoice.belgium.be] [einvoice.belgium.be], [einvoice.belgium.be]
• Belgian Official Gazette – Legal Text of the E-invoicing Law: The law introducing mandatory B2B e-invoicing in Belgium (published 20 February 2024) can be found in the official legal database. (References: Law of 13 December 2023, Moniteur Belge of 20/02/2024, p. 13409 – available in Dutch and French.) [deloitte.com]
• Royal Decree on B2G E-invoicing: For details on B2G requirements: Arrêté Royal du 9 mars 2023 relatif à la facturation électronique dans les marchés publics – which mandates e-invoices for public contracts from March 2024. Published in the official gazette (Moniteur Belge) and explained on the Public Procurement portal (BOSA). [einvoice.belgium.be]
• EU VAT in the Digital Age (ViDA) Legislation: The EU Commission’s proposal on ViDA (COM(2022) 703 final) and the ECOFIN Council agreement (March 2025) are available on the EU Taxation and Customs portal, detailing upcoming EU-wide e-invoicing and reporting rules that will affect Belgium’s plans post-2026.
• FPS Finance (Ministry of Finance) Announcements: The Belgian tax authority’s official site (finances.belgium.be) has press releases and notes on the e-invoicing project – for example, the announcement of the three-month penalty tolerance period in Q1 2026 and subsequent communications about e-invoicing readiness and support for businesses. [vatcalc.com]
• Legislative History – Parliamentary Documents: The development of the e-invoicing law can be traced through parliamentary documents (available via the Belgian Chamber of Representatives website). Notably: Parliamentary Bill 55K3224 (Déclaration de politique générale – tax reform proposal) and related committee reports discuss the rationale and details of the e-invoicing mandate.
• Technical Documentation: The Belgian government (BOSA) has published technical specifications for e-invoicing on its GitHub and the official portal – including guidelines on using Peppol BIS 3.0, mapping of Belgian VAT codes to EN16931 Tax Category Codes, and instructions for software developers. These resources are accessible via the Software developers section of einvoice.belgium.be and the BOSA website. [einvoice.belgium.be]
• Big 4 and Advisor Publications: Reputable tax advisories have summarized the new rules. For instance:
  • Deloitte Indirect Tax Alert (Feb 2024): “Mandatory B2B e-invoicing published in the Belgian Official Journal – entry into force 1 January 2026.” – Confirms the law’s publication and key requirements. [deloitte.com]
  • PwC Newsflash (Oct 2023): “Key facts about Belgium’s proposed e-invoicing obligation.” – Q&A format covering the scope, motivation, and expected implementation of e-invoicing (PDF available on pwc.be). [pwc.be], [pwc.be]
  • KPMG TaxNewsFlash (Dec 2025): “Draft law confirms e-invoicing grace period and clarifies the scope of mandate for nonresidents.” – Details on the transitional measures and confirmation of scope exclusions (e.g. non-established taxpayers).
  • BDO Belgium News Alert (Sept 2025): “Mandatory e-invoicing in 2026 in Belgium: Three-month tolerance period announced.” – Summarizes the Q1 2026 grace period and provides practical guidance on the transitional rules and fallback solutions. [bdo.be], [bdo.be]
  • Grant Thornton Article (Jul 2025): “E-Invoicing in Belgium: Formal VAT requirements effective 2026.” – Discusses the legal invoice content requirements, compliance risks (e.g. fines, VAT deduction issues), and readiness steps in detail. [grantthornton.be], [grantthornton.be]
  • EY Tax News Update (Feb 2024): “Belgium’s mandatory e-invoicing to apply from 1 January 2026.” – An EY Global Tax Alert confirming the enactment of the law and summarizing its main provisions (scope and timeline).
  • Marosa VAT Blog: “E-invoicing in Belgium: Complete Guide.” – Provides an overview of the B2B e-invoicing mandate by January 2026 and expected real-time reporting by 2028, based on latest updates.
  • Sovos Insight (June 2022): “Belgium Steps Closer to Mandatory E-Invoicing.” – Early commentary on Belgium’s intentions to implement B2B e-invoicing and e-reporting (note: some timing details have since changed, with final dates moved to 2026/2028).
  • VAT Calc updates: Ongoing coverage of Belgian e-invoicing developments, including a **27 March 2026 update on the end of the grace period and the upcoming 2028 e-reporting mandate. [vatcalc.com], [vatcalc.com]

(All links above are to external sources: official government websites, EU websites, or reputable tax advisory and industry publications, ensuring up-to-date and authoritative information.)

14. Summary

Belgium is moving decisively into electronic invoicing and reporting as part of a broader tax modernization effort, aligning with the EU’s digital strategy. Below is a high-level summary of the key points covered:

• Scope: From **1 January 2026, nearly all domestic B2B transactions between Belgian VAT-registered businesses must be invoiced electronically in a structured format. B2C transactions are excluded from e-invoicing, and cross-border transactions are not yet covered by the national mandate. However, business-to-government e-invoicing is already mandatory for new public contracts (since 2024). Special scenarios like self-billing are allowed within the e-invoicing framework (with proper agreements), while certain exempt or very small taxpayers are carved out until they are brought into the system at a later stage. [einvoice.belgium.be], [bdo.be] [einvoice.belgium.be]
• Taxable Persons: The obligation applies to Belgian-established taxable persons (including local branches of foreign companies) for their domestic B2B supplies. Foreign businesses without a Belgian establishment are not required to e-invoice under the 2026 mandate, and purely exempt businesses and flat-rate small traders are exempt or deferred. Essentially, if both the seller and buyer are established and VAT-registered in Belgium, an e-invoice is required; otherwise, the mandate does not apply. [cleartax.com]
• Timeline: The e-invoicing mandate was legislated in 2024 to take effect on 1 January 2026 (pending EU-level approval, which was facilitated by the subsequent adoption of the EU VAT in the Digital Age reforms). There is a three-month grace period in Q1 2026 with no automatic fines for non-compliance as companies ramp up systems. Full enforcement starts from 1 April 2026. Looking ahead, continuous e-reporting of transaction data will begin in 2028 to complement e-invoicing. By 2030, per EU plans, intra-EU B2B invoices will also be required to be electronic/reported across all member states, effectively extending Belgium’s system to cross-border transactions. [deloitte.com], [pwc.be] [edicomgroup.com]
• Key Obligations: Businesses must use an approved structured format (Peppol BIS/UBL XML) and transmit invoices via the Peppol network or equivalent compliant channels. Invoices must contain all legally required information (identities, dates, amounts, tax details, etc.) just as before, but now in a machine-readable form. They must ensure their systems are capable of receiving e-invoices as well. From 2028, key invoice data will need to be reported to the tax authority in near real-time, replacing certain periodic reports. [edicomgroup.com], [vatcalc.com] [grantthornton.be] [vatcalc.com]
• Main Risks of Non-Compliance: Non-compliance can lead to hefty penalties and VAT credit issues. Failing to issue a required e-invoice can trigger fines up to 100% of the VAT amount on the invoice and may cause the customer’s input VAT deduction to be disallowed. Repeated technical non-compliance (e.g. not implementing Peppol connectivity) leads to escalating fixed fines (€1,500/€3,000/€5,000). Once e-reporting is in place, delays or inaccuracies in reporting will also be subject to sanctions. Moreover, an invoice that isn’t properly issued as an e-invoice when required is considered not legally valid for VAT purposes, which can impact both parties. Intentional evasion or fraud involving invoices can result in even more severe penalties (potentially up to 200% of the VAT and criminal charges). The system’s design – with real-time data and cross-checks – is expected to improve enforcement and quickly flag non-compliance. [grantthornton.be] [edicomgroup.com] [vatcalc.com]
• SME Implications: Small businesses and startups will need to invest in compliant invoicing solutions, but support is available. The government has introduced tax incentives (like increased deductions) to offset costs for SMEs adopting e-invoicing software. The VAT registration threshold increase to €30,000 removes the mandate for the smallest micro-enterprises. While the transition requires effort (upgrading systems, training staff), in the long run SMEs can benefit from reduced paperwork, faster payments, fewer errors, and integration into a more digital economy. Studies indicate that Belgian SMEs are among the more digitally prepared in Europe, easing the shift. The mandate also drives all companies to a common standard, potentially simplifying B2B interactions and leveling the playing field. Still, SMEs must remain vigilant in compliance to avoid penalties, and may consider phased implementation, using external service providers or simple cloud-based invoicing tools to meet requirements. [cleartax.com] [sharedserv…eslink.com] [edicomgroup.com], [einvoice.belgium.be] [europesays.com], [europesays.com]
• Critical Dates & Next Steps: Key dates to remember are 1 January 2026 (B2B e-invoicing live), 1 April 2026 (end of soft landing period, start of full enforcement), and 1 January 2028 (start of e-reporting). By 2030, EU rules will mandate e-invoicing for cross-border transactions, fully integrating Belgium’s system into the pan-European framework. Businesses should act now – if not already done, select and implement an e-invoicing solution that meets Belgian requirements, ensure registration with a Peppol Access Point, and adapt internal processes for electronic workflows. Companies should also follow ongoing guidance from Belgian authorities (e.g. new FAQs and technical documentation) for any refinements. With the deadline passed and enforcement ramping up, the immediate next step is ensuring 100% compliance with e-invoicing for current operations, while also preparing for the upcoming e-reporting obligations. The e-invoicing and e-reporting reforms promise greater efficiency and accuracy in the VAT system, but the onus is now on businesses – including SMEs – to align their invoicing practices with this digital future. The time for testing and preparation is over; full compliance is now a must, as Belgium leads the way in the EU’s VAT digital transformation. [vatcalc.com], [edicomgroup.com] [bdo.be], [vatcalc.com]