Executive Summary

The Czech Republic operates a post-audit VAT regime with no Continuous Transaction Controls (CTC) or invoice clearance system. While it has a mandatory B2G (Business-to-Government) e-invoicing regime for public procurement since October 2016, there is no domestic mandatory B2B (Business-to-Business) or B2C e-invoicing requirement; it remains voluntary. The primary mechanism for digital VAT administration is the Kontrolní hlášení (VAT Control Statement), a mandatory transaction-level e-reporting system introduced in 2016, which the Financial Administration uses for ex-post cross-matching of transactions.

Czechia is positioned as an “aligned follower / behind the leaders” concerning the EU’s VAT in the Digital Age (ViDA) package. It is expected to implement future EU intra-Community Digital Reporting Requirements (DRR) from 1 July 2030, but national implementation of ViDA-aligned e-invoicing/DRR is anticipated no earlier than 2029. Significant gaps exist between current Czech systems (like the national ISDOC XML format and the periodic Kontrolní hlášení) and the future ViDA requirements.

Main Themes and Important Ideas

Czechia’s Post-Audit Model: No CTC or Clearance

A cornerstone of Czechia’s digital VAT strategy is its non-CTC, post-audit approach. The briefing explicitly states: “The Czech Republic is not a Continuous Transaction Controls (CTC) or clearance country.” [1] Instead of real-time validation or clearance by the tax authority, the system relies on ex-post control.

No Tax Authority Pre-validation: “The tax authority does not pre-validate or authorise invoices. Invoices are issued and exchanged directly between the parties; the Financial Administration exercises control ex-post by cross-matching the periodic Kontrolní hlášení entries of suppliers and customers.” [1][8]
B2B E-Invoicing is Voluntary: “no domestic mandatory B2B e-invoicing or digital-reporting mandate has been enacted… domestic B2B e-invoicing remains voluntary.” [1]
Direct Exchange: B2B invoices are exchanged directly between parties using various formats (PDF/e-mail, EDI, ISDOC, Peppol) subject to recipient consent. [1][37]

Mandatory B2G E-Invoicing Acceptance

While B2B is voluntary, the Czech Republic has a mandatory system for B2G e-invoicing.

Obligation to Accept: Public contracting authorities “must accept compliant e-invoices” for public procurement under the EU eInvoicing Directive (2014/55/EU) since 1 October 2016 (Act No. 134/2016 Sb.). [1][17]
No Issuance Obligation: Crucially, there is “no issuance obligation on suppliers” to send e-invoices to public bodies. [1]
Accepted Formats: B2G e-invoices must comply with EN 16931, using syntaxes like UBL 2.1, the national ISDOC, and EDIFACT. Peppol BIS Billing 3.0 is “used in practice.” [2][37]
Platform: Public procurement often uses the NEN (Národní elektronický nástroj) e-procurement platform. [15]

Kontrolní hlášení (VAT Control Statement): The Core Reporting Tool

The Kontrolní hlášení is central to Czechia’s VAT administration and fraud combat strategy.

Mandatory Transaction-Level Reporting: “E-reporting via the Kontrolní hlášení: live since 1 January 2016” for all CZ-VAT-registered persons. [7]
Purpose: It was introduced “to combat VAT fraud (notably carousel/missing-trader fraud) by giving the Financial Administration transaction-level data to cross-match supplier and customer entries.” [8][31]
Contents: An XML filing (schema DPHKH1) detailing specific sections for domestic reverse-charge supplies, acquisitions from abroad, taxable supplies above/below CZK 10,000, etc. [9][10]
Filing & Deadlines: Filed electronically via the MOJE daně / EPO portal. Legal persons file monthly by the 25th; natural persons by their VAT-return deadline. [7][9]
Penalties: “harsh fixed-fine regime” for non-compliance, ranging from CZK 1,000 to CZK 50,000 for late or non-filing, plus a discretionary fine up to CZK 500,000 for serious obstruction. [7][18] This is highlighted as a “principal live compliance risk.” [7]

ISDOC: The National E-Invoice Format

ISDOC (Information System Document) is Czechia’s proprietary XML e-invoice format, launched in 2008.

National Standard: “ISDOC is a national XML standard built as a UBL 2.0 customisation.” [24]
Voluntary Adoption: Despite being a national standard, its use for B2B is voluntary. However, “ISDOC is built into most Czech ERP/accounting systems… so voluntary structured e-invoicing is widespread in practice.” [24][35]
Formats: Available as .isdoc (single XML), .isdocx (ZIP archive with attachments), and ISDOC.PDF (PDF/A-3a embedding XML). [25]
ViDA Gap: The fact that ISDOC is a national XML (not UBL/CII) is identified as a “ViDA gap” that “must converge to ViDA DRR.” [29][40]

ViDA (VAT in the Digital Age) Alignment and Future Outlook

The EU’s ViDA package represents the most significant future change for Czechia’s digital VAT landscape.

Aligned Follower: Czechia is an “aligned follower / behind the leaders.” [29][40]
Intra-EU DRR: “The Czech Republic is expected to implement the future EU ViDA requirements for intra-EU digital reporting, while domestic B2B e-invoicing remains voluntary.” [1] Mandatory structured e-invoicing and DRR for intra-Community B2B will apply from 1 July 2030, replacing the EC Sales List. [5][6]
No Early Domestic Mandate: “No domestic B2B mandate announced; national implementation expected no earlier than 2029.” [29][5]
Key Gaps to Close: Two main areas need convergence with ViDA:
Format: ISDOC is a national XML, whereas ViDA defaults to UBL/UN-CEFACT-CII. [29][40]
Reporting: The Kontrolní hlášení is periodic and domestic-only, not the “per-transaction, near-real-time, cross-border reporting that ViDA’s DRR requires.” [40]
Business Implications: Businesses trading intra-EU should “build the capability to issue and receive EN 16931-compliant structured invoices and to feed near-real-time DRR ahead of 1 July 2030.” [29][35]

Abolition of EET and Potential “EET 2.0”

The short-lived Electronic Records of Sales (EET) system was a notable part of Czechia’s digital journey.

EET Abolished: The real-time sales-reporting system EET, which operated from 2016, “was abolished on 1 January 2023.” [12][34]
“EET 2.0” Reported: A “draft real-time sales-reporting law is reported (targeted 2027) but not enacted,” presenting an “open risk / uncertainty.” [39]

Impact on SMEs and Compliance Costs

The voluntary nature of B2B e-invoicing means a lighter burden for SMEs, but the Kontrolní hlášení remains a key compliance risk.

No E-Invoicing Onboarding Burden: “There is no e-invoicing onboarding burden for SMEs, because B2B e-invoicing is voluntary.” [1]
Free Tools & Support: The ISDOC Reader is free, ISDOC is integrated into most Czech ERPs, and the MOJE daně portal offers free electronic filing for VAT returns and Kontrolní hlášení. [24][14][9]
Kontrolní hlášení is the “Real Burden”: “For SMEs, the principal ongoing cost is preparing and filing the monthly Kontrolní hlášení accurately (given the fixed-fine regime), not e-invoicing software.” [7][31]
Simplifications for Smallest Businesses: A higher VAT registration threshold (CZK 2,000,000 from 2025) and the paušální daň (flat-rate lump-sum tax for self-employed under CZK 2,000,000) reduce the burden for the smallest entities. [33][41]

Key Takeaways and Actionable Dates

Current Reality (as of 6 July 2026): Czechia uses a post-audit model. B2G e-invoicing acceptance is mandatory (since Oct 2016) using EN 16931-compliant formats (including ISDOC and Peppol). B2B e-invoicing is voluntary. The Kontrolní hlášení is mandatory monthly/quarterly transaction-level reporting for VAT-registered businesses, with strict penalties.
Immediate Actions (Live):File the Kontrolní hlášení monthly/quarterly by the 25th, ensuring accurate counterparty VAT IDs and threshold classifications.
Retain VAT documents for 10 years, ensuring authenticity, integrity, and legibility.
Ensure recipient consent and a reliable audit trail for any electronic invoices exchanged. [7][18]
Future Readiness (Ahead of 1 July 2030):Businesses engaged in intra-EU B2B transactions must prepare to implement EN 16931-compliant structured e-invoicing and Digital Reporting Requirements (DRR) for cross-border transactions.
Current voluntary ISDOC/Peppol adoption is useful groundwork but will not, by itself, fulfill future ViDA requirements. [29][5]
Monitor: Watch for any legislative developments regarding a potential “EET 2.0” sales-records law (targeted 2027) or any official proposals for a domestic B2B e-invoicing mandate and Ministry of Finance drafts concerning ViDA transposition (e.g., OSS/call-off stock changes). [40][39]

Article

CTC / Continuous Transaction Controls Analysis for Senior Leadership

Information cut-off date: 2 July 2026. All statements reflect sources available on or before this date. Every substantive statement carries an inline citation [n] resolving to the numbered source list in Chapter 20. Where information is unavailable, not yet legislated, or not applicable, this is stated explicitly rather than omitted. Sources older than 12 months or apparently superseded are flagged inline. Local-language terms are given in Dutch with an English gloss on first mention.

One-line orientation: The Czech Republic is not a Continuous Transaction Controls (CTC) or clearance country. It has a live, mandatory B2G e-invoicing regime for public procurement under the EU eInvoicing Directive and supports Peppol as one of the permitted interoperability networks, but no domestic mandatory B2B e-invoicing or digital-reporting mandate has been enacted. As of 2 July 2026, the Czech Republic is expected to implement the future EU ViDA requirements for intra-EU digital reporting, while domestic B2B e-invoicing remains voluntary. [1][2][4]

Chapter 0 — Executive Summary (“At-a-Glance”)

MODEL NOTE — The Czech Republic runs a post-audit VAT regime with no clearance. B2G e-invoice acceptance is mandatory (Directive 2014/55/EU), but there is no B2B e-invoicing or clearance mandate, and none is legislated as of the cut-off date. Transaction-level control is exercised ex-post through the Kontrolní hlášení (VAT Control Statement), not through invoice clearance.

Status

B2G acceptance: live and mandatory since 1 October 2016 (Act No. 134/2016 Sb.) [1][17]. B2B/B2C e-invoicing: voluntary (post-audit); not mandated — none announced [1][27]. E-reporting via the Kontrolní hlášení: live since 1 January 2016 [7].

Model

Post-audit — no CTC clearance and no tax-authority pre-validation of invoices; B2B invoices are exchanged directly between the parties (PDF/e-mail, EDI, ISDOC, Peppol) subject to recipient consent [1][37].

Mandatory format(s)

B2G: any EN 16931-compliant format — syntaxes UBL 2.1, the national ISDOC, and EDIFACT; Peppol BIS Billing 3.0 in practice. No national CIUS. B2B: no mandated format (PDF remains valid with consent) [2][24].

Key dates (acceptance vs issuance)

B2G receipt/acceptance obligation from 1 Oct 2016 (Czech Act) — the EU Directive’s application dates were 18 Apr 2019 (central) and 18 Apr 2020 (sub-central) [17][3]. There is no issuance obligation on suppliers [1].

Taxpayers in scope

Public contracting authorities must accept compliant e-invoices; all CZ-VAT-registered persons file the Kontrolní hlášení for reportable transactions. No B2B population is compelled to e-invoice [1][7].

Central platform / operator

Tax: Finanční správa (Financial Administration) via the MOJE daně Procurement: NEN (Národní elektronický nástroj), run by the Ministry of Regional Development. No state Peppol Authority — Peppol via commercial access points [7][15][2].

Penalty exposure

Kontrolní hlášení fixed fines of CZK 1,000 / 10,000 / 30,000 / 50,000 (§101h VAT Act) plus up to CZK 500,000 No B2G/B2B e-invoicing penalty regime (B2G enforced through procurement law; B2B voluntary) [7][18].

ViDA alignment

Aligned follower / behind the leaders. No domestic B2B mandate announced; national implementation expected no earlier than 2029, with EU intra-Community DRR from 1 July 2030 (Council Directive (EU) 2025/516) [29][5].

Top 3 open risks / uncertainties

(1) ViDA gap — ISDOC is a national XML (not the UBL/CII defaults) and the Kontrolní hlášení is periodic/domestic-only; both must converge to ViDA DRR [29][40].
(2) “EET 2.0” — a draft real-time sales-reporting law is reported (targeted 2027) but not enacted [39].
(3) Kontrolní hlášení burden/penalties — monthly filing and a harsh fixed-fine regime are the principal live compliance risk [7].

Information cut-off date

6 July 2026. All cited URLs were checked during research on this date [42].

Chapter 1 — Introduction & Country Context

1.1 Tax digitalisation journey

Czechia digitalised its VAT administration primarily at the reporting layer rather than the invoice layer. The domestic ISDOC (Information System Document) e-invoice format was launched in 2008; the Kontrolní hlášení (VAT Control Statement) transaction-level e-reporting began on 1 January 2016; and B2G e-invoice acceptance became mandatory on 1 October 2016 on transposition of EU Directive 2014/55/EU [24][7][1]. The EET (Elektronická evidence tržeb / Electronic Records of Sales) real-time sales-reporting system operated from 2016 and was abolished on 1 January 2023 [12][34].

1.2 Rationale (VAT gap, fraud, modernisation)

The Kontrolní hlášení was introduced to combat VAT fraud (notably carousel/missing-trader fraud) by giving the Financial Administration transaction-level data to cross-match supplier and customer entries [8][31]. B2G e-invoicing implements the EU single-market objective of interoperable public-sector invoicing under Directive 2014/55/EU [4][1]. Unlike clearance jurisdictions, Czechia has chosen a post-audit design, relying on periodic reporting and ex-post cross-checking rather than pre-validation [1][37].

1.3 Positioning — EU follower, not a CTC leader

Czechia is a follower in the e-invoicing wave: it has neither a domestic B2B clearance system (contrast Poland’s KSeF and Italy’s SdI) nor an announced mandate, and it uses a national XML (ISDOC) alongside Peppol via commercial access points rather than a government platform [27][28]. Its transaction-level reporting via the Kontrolní hlášení is mature but periodic and domestic-only [40].

1.4 Supranational authorisation / derogation

As an EU Member State, Czechia’s B2G obligation derives directly from Directive 2014/55/EU and requires no derogation [4]. Because there is no domestic B2B e-invoicing mandate, Czechia has not sought a derogation from Articles 218/232 of the VAT Directive (2006/112/EC) — and under the ViDA reform such a derogation is no longer required for domestic B2B mandates in any event [5][6]. No WTO notification is relevant.

Chapter 2 — Regulatory Framework

2.1 Primary legislation

The B2G obligation sits in the Public Procurement Act — zákon č. 134/2016 Sb., o zadávání veřejných zakázek (in force 1 October 2016), which transposes Directive 2014/55/EU and prevents a contracting authority from rejecting an EN 16931-compliant e-invoice [17][1]. The substantive VAT law is zákon č. 235/2004 Sb., o dani z přidané hodnoty (VAT Act): an electronic invoice requires the recipient’s consent, and authenticity of origin, integrity of content and legibility must be ensured throughout the retention period; corrections use the opravný daňový doklad (corrective tax document, §§42 and 45); and the Kontrolní hlášení obligation sits in §§101c–101k [18][19]. The standard VAT rate is 21% and the single reduced rate 12% (consolidated from the former 15% and 10% rates from 1 January 2024 by the konsolidační balíček, zákon č. 349/2023 Sb.) [32][23].

2.2 Implementing regulations & decrees

Vyhláška č. 347/2017 Sb. requires B2G e-invoices to comply with Directive 2014/55/EU or with ISDOC version 5.2 and higher [2][20]. The European standard EN 16931 was translated into Czech and integrated into the national ČSN technical standards, published 8 January 2018 [2]. The Kontrolní hlášení XML structure (schema DPHKH1) and the VAT-return structure (DPHDP3) are published on the tax portal [10][14].

2.3 Circulars, guidance, FAQs, postponement statements

The Financial Administration publishes the Control Statement Guidelines (Pokyny k vyplnění kontrolního hlášení, valid since 1 January 2024) and FAQs, and the General Financial Directorate (GFŘ) issues methodological guidance [9][8]. The Ministry of Finance and the Financial Administration published the abolition of EET effective 1 January 2023 [13][12]. A draft “EET 2.0” sales-records law has been reported by advisers (targeted 2027) but is not enacted [39].

2.4 Supranational / international legal basis

The B2G obligation rests on Directive 2014/55/EU and the CEN standard EN 16931; Directive 2014/55/EU also governs the B2G scope for contracts above EU thresholds [4][2]. The forthcoming digital-reporting obligations derive from the VAT in the Digital Age (ViDA) package — Council Directive (EU) 2025/516 of 11 March 2025 (Chapter 16) [5][6]. There is no OECD-CTC instrument applicable, as Czechia is governed by the EU framework [5].

Chapter 3 — Scope of the Mandate

3.1 Transactions in scope

B2G: public contracting authorities must accept and process EN 16931-compliant e-invoices for public procurement above EU thresholds; there is no obligation on suppliers to issue electronically [2][1]. B2B and B2C: e-invoicing is voluntary — no domestic, intra-EU or export e-invoicing mandate exists [1][27]. Cross-border/intra-EU: intra-Community supplies of goods and cross-border B2B services are reported through the souhrnné hlášení (recapitulative statement / EC Sales List), and domestic taxable supplies through the Kontrolní hlášení — but neither is invoice clearance [11][8].

3.2 Special transactions

MODEL NOTE — No clearance means no structured-e-invoicing treatment of special transactions. Self-billing, triangulation, margin/travel/second-hand schemes and similar are governed by the ordinary VAT Act rules and are reflected, where relevant, in the Kontrolní hlášení sections — not in any e-invoice clearance flow (see Chapters 11–12) [18][9].

3.3 Excluded / exempt transactions

VAT-exempt supplies (with or without input-VAT deduction) follow the VAT Act’s exemption provisions and are not brought into any e-invoicing mandate; they are reflected in the VAT return and, where reportable, the Kontrolní hlášení [18][9]. Because B2B e-invoicing is voluntary, there is no e-invoicing exclusion list to maintain — the question does not arise outside the B2G acceptance rule [1].

Chapter 4 — Taxable Persons in Scope

4.1 Established domestic entities

Domestic contracting authorities are the persons bound by the B2G acceptance obligation [1]. For e-reporting, all persons registered for Czech VAT (with a CZ VAT ID) that carry out reportable domestic taxable supplies, deductible acquisitions or the special investment-gold scheme must file the Kontrolní hlášení [7]. There is no e-invoicing obligation on ordinary businesses [1].

4.2 Non-established entities

A non-established person registered for Czech VAT files the Kontrolní hlášení on the same basis as an established payer where it has reportable Czech transactions [7]. Non-established persons without a Czech VAT registration have no Kontrolní hlášení obligation. There is no e-invoicing mandate for either category [1][7].

4.3 Voluntary participation

B2B e-invoicing is entirely voluntary and adopted by commercial agreement; ISDOC is built into most Czech ERP/accounting systems and Peppol is available via commercial access points, so voluntary structured e-invoicing is widespread in practice without any mandate [24][35].

4.4 Sector-specific rules

There are no sector-specific e-invoicing mandates. The domestic reverse-charge (§92a and following of the VAT Act) applies to specified sectors (e.g. construction, certain metals, telecommunications) and is captured in Kontrolní hlášení sections A.1/B.1, but this is a VAT-accounting rule, not an e-invoicing rule [9][18].

Chapter 5 — Implementation Timeline

5.1 Legislative history & milestones

16 October 2008 — ISDOC 1.0 launched by the ICT Union (formerly SPIS) working group (the EU country sheet dates public availability to 19 March 2009) [24].
1 January 2016 — Kontrolní hlášení (VAT Control Statement) obligation begins [7].
1 October 2016 — Act No. 134/2016 Sb. (Public Procurement) effective, transposing Directive 2014/55/EU [17][1].
2017 — Vyhláška č. 347/2017 Sb. sets B2G e-invoice format requirements (ISDOC 5.2+) [20][2].
8 January 2018 — EN 16931 integrated into Czech ČSN standards [2].

5.2 Voluntary / pilot phases

There has been no clearance pilot, because Czechia has no clearance system. Voluntary B2B adoption grew organically through ISDOC-enabled ERP systems and, later, Peppol access points [24][35].

5.3 Mandatory dates — acceptance vs issuance

The Czech acceptance obligation is dated to the Act’s entry into force on 1 October 2016; the EU Directive’s staggered application dates were 18 April 2019 for central authorities and 18 April 2020 for sub-central authorities [17][3]. There is no issuance obligation [1]. (Where sources differ, the 1 October 2016 Act date is the binding Czech legal date and the April 2019/2020 dates are the Directive’s EU-level application dates.) [1][3]

5.4 Grace periods & transitional provisions

EET was abolished by zákon č. 458/2022 Sb. (published 28 December 2022), ceasing operation on 1 January 2023, with read-only taxpayer access retained through 2023 [12][34]. The 2024 VAT-rate consolidation (Act 349/2023 Sb.) and the 2025 VAT-registration-threshold change are the other recent transitional measures [23][33].

5.5 Pre-mandate technical milestones

The DPHKH1 (Kontrolní hlášení) and DPHDP3 (VAT return) XML schemas, the MOJE daně / EPO e-forms and the ISDOC schemas (current specification 6.0.2, dated 25 April 2022) are published and maintained; the free ISDOC Reader (currently version 4.0.1) supports viewing and signature verification [10][25][24].

5.6 Known / anticipated developments

Advisers report a draft “EET 2.0” sales-records law (real-time XML reporting, targeted 1 January 2027) and a Ministry of Finance partial ViDA transposition (OSS changes reportedly from 1 January 2027; call-off-stock repeal from 1 July 2028) — both reported by named advisers rather than enacted, and stated here as such [39][40]. No domestic B2B e-invoicing mandate has been drafted [29].

Chapter 6 — Operating Model (How It Really Works)

6.1 Model type & role of the tax authority

MODEL NOTE — Post-audit — no clearance. The tax authority does not pre-validate or authorise invoices. Invoices are issued and exchanged directly between the parties; the Financial Administration exercises control ex-post by cross-matching the periodic Kontrolní hlášení entries of suppliers and customers [1][8].

For B2G, the role of the public sector is to receive and process compliant e-invoices, typically through the NEN (Národní elektronický nástroj) e-procurement platform, the data box (datová schránka), web services or e-mail [15][2]. For B2B, the operating model is bilateral: PDF/e-mail, EDI, ISDOC or Peppol, by agreement [37].

6.2 Invoice lifecycle

Because there is no clearance, the lifecycle is create → send → receive → (post-audit) report, not create → submit → clear → deliver. The supplier creates the invoice, sends it to the buyer (with the buyer’s consent for electronic form), the buyer books and (if VAT-registered) reports it, and both parties report the transaction in their respective Kontrolní hlášení for the period [1][9]. In the B2G channel the compliant e-invoice is delivered to the contracting authority and processed within its procurement/financial systems [2][15].

6.3 Authentication & access methods

Filings to the Financial Administration (VAT return, Kontrolní hlášení, recapitulative statement) are made through the MOJE daně / daňový portál (EPO) using recognised electronic identity (e.g. datová schránka, NIA/eIdentita or a recognised electronic signature) [14][7]. Invoice authenticity/integrity for VAT purposes may be ensured by business controls creating a reliable audit trail, by EDI, or by a qualified electronic signature/seal; the ISDOC Reader can verify ISDOC signatures [18][24].

6.4 Offline / contingency mode

There is no clearance platform to be unavailable, so no offline-clearance procedure exists. For reporting, the Kontrolní hlášení must be filed electronically by the deadline; a taxpayer that receives a výzva (summons) must respond within 5 working days (or 17 days where delivered to a data box, from 1 January 2023) [9].

6.5 Buyer-side workflow

The buyer must consent to receiving invoices electronically; on receipt it books the document, exercises input-VAT deduction where entitled, and reports qualifying purchases in Kontrolní hlášení sections B.1–B.3 [18][9]. There is no platform accept/reject step, because there is no clearance [1].

6.6 QR / verification code requirements

There is no national QR-code or verification-code requirement for invoices, because there is no clearance or fiscalisation system (the former EET QR/fiscal-identifier codes ended with EET’s abolition on 1 January 2023) [12][34].

Chapter 7 — Acceptable E-Invoice Formats

7.1 Mandatory format(s)

For B2G, an e-invoice must comply with EN 16931; the accepted syntaxes are UBL 2.1, the national ISDOC, and EDIFACT, with Peppol BIS Billing 3.0 used in practice via access points [2][37]. For B2B/B2C, there is no mandated format — structured formats (ISDOC, UBL) and unstructured formats (PDF, e-mail) are all valid provided the recipient consents and authenticity/integrity/legibility are ensured [1][18].

7.2 Relationship to international standards

ISDOC is a national XML standard built as a UBL 2.0 customisation; the current specification is 6.0.2 (25 April 2022), and the format licence and trademark are held by the Ministry of the Interior (MVČR) [24][25]. Czechia applies no national CIUS or extension beyond EN 16931 [2]. Peppol is supported via commercial access points; there is no government-designated national Peppol Authority [2][37].

7.3 Voluntary / legacy / hybrid formats

ISDOC ships in three forms: .isdoc (a single UTF-8 XML file — the preferred exchange form), .isdocx (a ZIP archive bundling the ISDOC XML plus attachments and a mandatory manifest.xml), and ISDOC.PDF (a PDF/A-3a that embeds the XML for a combined visual and machine-readable document) [25]. Hybrid EU formats such as Factur-X/ZUGFeRD are not the national standard but may be used bilaterally in B2B by agreement [37].

7.4 Attachments

The .isdocx container is the mechanism for transmitting an ISDOC invoice together with its attachments as a single unit (with the manifest listing the contents); a standalone .isdoc carries the structured XML only [25]. For B2B outside ISDOC, attachment handling is a matter of bilateral agreement, since no platform governs it [37].

Chapter 8 — Technical & Functional Requirements

8.1 E-invoice specifications

For B2G, the mandatory content is the EN 16931 semantic core, expressed in ISDOC/UBL/EDIFACT syntax [2]. For B2B, invoice content follows the VAT Act’s mandatory particulars for a tax document (identification of supplier and customer, DIČ/VAT IDs, date of supply and of issue, description, tax base, rate and amount), with ISDOC providing a structured representation where used [18][25]. There is no platform validation of individual invoices [1].

8.2 E-reporting specifications — Kontrolní hlášení

The Kontrolní hlášení is an XML filing (schema DPHKH1) with defined sections: A.1 (domestic reverse-charge supplies, supplier side), A.2 (self-assessed acquisitions from abroad), A.3 (investment gold), A.4 (taxable supplies over CZK 10,000 including VAT, and bad-debt corrections), A.5 (taxable supplies up to CZK 10,000 / without a tax document), B.1 (received domestic reverse-charge supplies), B.2 (received supplies with deduction over CZK 10,000), and B.3 (received supplies with deduction up to CZK 10,000) [9][10]. It is filed electronically only via the MOJE daně / EPO portal or the data box; legal persons file monthly by the 25th, natural persons by their VAT-return deadline; statement types are řádné (proper), opravné (corrective before deadline) and následné (subsequent/corrective after deadline) [7][9]. Intra-EU supplies are reported separately in the souhrnné hlášení (EC Sales List), electronically, monthly or quarterly by the 25th [11].

8.3 Digital signature & integrity

There is no per-invoice signature mandate; VAT integrity/authenticity may be ensured by business controls (audit trail), EDI, or a qualified electronic signature/seal, at the taxpayer’s choice [18]. ISDOC supports embedding an electronic signature, which the ISDOC Reader can verify [24]. Filings to the tax portal are authenticated through recognised electronic identity [14].

8.4 Processing mode & performance

Invoice exchange is not processed in real time by any authority (post-audit) [1]. E-reporting is periodic (monthly/quarterly), not near-real-time; the Kontrolní hlášení’s near-real-time element is the obligation to respond to a summons within 5 working days [9]. No platform performance/SLA targets apply, because there is no clearance platform [1].

Chapter 9 — Correction of Errors

9.1 Invoice corrections

Corrections to the VAT base or amount are made through an opravný daňový doklad (corrective tax document) under the VAT Act — §42 (grounds for correcting the tax base and tax) and §45 (mandatory content of the corrective document), covering credit-note and debit-note situations; the corrective document references the original tax document [18][19]. Because there is no clearance, corrective documents are exchanged directly between the parties like any other invoice, not resubmitted to a platform [1].

9.2 E-reporting corrections

A Kontrolní hlášení is corrected by filing an opravné statement (before the deadline, replacing the original) or a následné statement (after the deadline, containing the complete corrected data), and by responding to any výzva within 5 working days [9]. Corrective tax documents flow into the VAT return and the Kontrolní hlášení for the relevant period under the VAT Act’s timing rules [18]. Late or missing statements attract the fixed §101h penalties (Chapter 14) [7].

Chapter 10 — Transmission & Workflow

10.1 Central platform(s)

There is no central invoicing platform. For tax filings the platform is the Financial Administration’s MOJE daně / daňový portál (EPO); for public procurement it is NEN (Národní elektronický nástroj), operated by the Ministry of Regional Development [14][15]. The Digital and Information Agency (DIA) is the central eGovernment body [16].

10.2 Transmission channels

B2G: NEN, the data box (datová schránka), web services or e-mail deliver compliant e-invoices to public bodies [2][15]. B2B: direct e-mail/PDF, EDI, ISDOC file exchange, or the Peppol network via commercial access points [37][35]. Reporting: the Kontrolní hlášení, VAT return and recapitulative statement are transmitted as XML through the EPO portal or the data box [9][11].

10.3 Accredited service providers

There is no clearance-provider accreditation and no state Peppol Authority; Peppol access is through certified commercial access points (e.g. EDICOM, Comarch, SEEBURGER, Unifiedpost, Tungsten/Kofax, Pagero), and ISDOC is native to most Czech ERP/accounting systems [2][35][36]. Governance is coordinated by the National eInvoicing Forum (Ministry of Finance, Ministry of the Interior and the Czech Office for Standards, Metrology and Testing, ÚNMZ) [2].

10.4 Interoperability with B2G / Peppol / cross-border

B2G interoperability is achieved through EN 16931 compliance and the NEN platform; cross-border exchange uses Peppol via access points [2][35]. There is no domestic cross-border e-invoice clearance; intra-EU transactions are reported through the recapitulative statement [11].

10.5 Deadlines & timing

There is no invoice-transmission deadline to an authority (post-audit) [1]. Reporting deadlines: the VAT return (DPHDP3) and Kontrolní hlášení are due 25 days after the period (legal persons file the control statement monthly by the 25th regardless of VAT period); the recapitulative statement is due by the 25th; a výzva must be answered within 5 working days [9][11].

Chapter 11 — Self-Billing

Self-billing (vystavení daňového dokladu odběratelem / samofakturace) is permitted under the VAT Act on the general EU basis — the customer may issue the tax document in the supplier’s name where there is a prior agreement and a procedure for the supplier’s acceptance of each document — but it is a VAT-documentation arrangement, not an e-invoicing/clearance feature [18][19]. Because Czechia operates a post-audit model with no clearance platform, the specific sub-questions do not have platform-level answers: (11.1) self-billing is legal by agreement; (11.2) there is no platform routing; (11.3) authorisation is contractual between the parties, not granted by the tax authority; (11.4) mandatory content follows the ordinary tax-document rules; (11.5) there is no prescribed “self-billing” system flag beyond the standard “vystaveno zákazníkem” indication; (11.6) there is no special foreign-buyer restriction beyond the general rules; and (11.7) buyer-side approval is governed by the agreed acceptance procedure [18]. Both parties still report the transaction in their Kontrolní hlášení [9].

Chapter 12 — Triangulation & Special Scenarios

12.1 Triangulation

Intra-Community triangulation uses the simplified EU regime (VAT Act implementing Articles 141/197 of the VAT Directive); the intermediary’s onward supply is reported in the souhrnné hlášení (EC Sales List) with the appropriate code, not through any e-invoice clearance [11][18]. There is no structured-e-invoice treatment because there is no clearance [1].

12.2 Chain transactions

Chain-transaction rules (allocation of the single intra-Community transport under the EU quick-fixes) are applied under the VAT Act and reflected in the recapitulative statement; again there is no clearance-flow dimension [18][11].

12.3 Cross-border reverse charge

For intra-EU acquisitions and cross-border B2B services, the recipient self-assesses VAT (reverse charge) and reports it in the VAT return, with the acquisition captured in Kontrolní hlášení section A.2 and, on the supply side, in the recapitulative statement [9][11]. Domestic reverse-charge supplies (§92a et seq.) are reported in sections A.1 (supplier) and B.1 (recipient) [9][18].

12.4 Zero-rated & exempt supplies

Exempt supplies with a right of deduction (e.g. intra-Community supplies of goods, exports) and exempt supplies without deduction follow the VAT Act’s provisions and are reflected in the VAT return and, where reportable, the Kontrolní hlášení; there are no e-invoice “exemption code” fields to populate because there is no clearance schema [18][9]. The exemption basis is the VAT Act, not an e-invoicing rule [18].

12.5 Local nuances

VAT groups (skupinová registrace), fiscal representation for certain non-established persons, call-off stock (subject to repeal under the ViDA transposition timetable), and construction-sector domestic reverse charge are all VAT-accounting features reflected in the returns and the Kontrolní hlášení, not in an e-invoicing mandate [18][40].

Chapter 13 — Archiving & Retention

13.1 Central archiving by a platform

There is no central platform archiving of invoices, because there is no clearance system; taxpayers are responsible for retaining their own invoices and records [1][37]. The Financial Administration holds the submitted Kontrolní hlášení, VAT returns and recapitulative statements [7].

13.2 Mandatory archiving format

The VAT Act does not mandate a single archival format; documents may be retained in the form in which they were issued or received (paper or electronic), and paper documents may be converted to electronic form provided authenticity, integrity and legibility are preserved [18][37].

13.3 Retention period

VAT documents must be retained for 10 years from the end of the period to which they relate, consistent with the VAT Act’s record-keeping rules [37][38]. This cross-refers to general accounting-law retention obligations [18].

13.4 Storage location

Documents may be stored electronically, including outside the Czech Republic, provided the taxpayer guarantees online access for the tax authority and meets the VAT Act’s conditions (with a notification/access duty where documents are stored abroad) [18][37]. There is no domestic-only storage mandate for a clearance archive, because none exists [1].

13.5 Integrity, authenticity, readability

Authenticity of origin, integrity of content and legibility must be ensured for the whole retention period, by business controls (a reliable audit trail linking invoice to supply), EDI, or a qualified electronic signature/seal [18]. Timestamps and audit trails support this where electronic documents are used [37].

13.6 Audit accessibility

Audit access is on-demand from the taxpayer (production of retained documents), complemented by the transaction-level data the Financial Administration already holds through the periodic Kontrolní hlášení, which it uses for cross-matching [7][8]. There is no real-time platform archive to query [1].

Chapter 14 — Penalties & Enforcement

14.1 Grace period / graduated enforcement

Enforcement of the Kontrolní hlášení is graduated around the výzva (summons) mechanism: a taxpayer that files late of its own accord faces a smaller fixed fine than one that fails to respond to a summons, and there is a discretionary layer for serious obstruction [7][9]. B2G acceptance is enforced through procurement law rather than a fine [1].

14.2 Penalties by category

Under §101h of the VAT Act, the fixed Kontrolní hlášení fines are: CZK 1,000 (filed late but before any summons); CZK 10,000 (filed within the deadline set by a summons); CZK 30,000 (failure to file a corrective statement after a summons); and CZK 50,000 (failure to file the statement at all, even after a summons) [7]. A discretionary fine of up to CZK 500,000 may be imposed for serious obstruction of tax administration, and reductions apply for natural persons, quarterly filers and single-member LLCs with a natural-person partner [7]. There is no e-invoicing penalty regime for B2B (voluntary) and none beyond procurement rules for B2G [1].

14.3 Penalty amounts & escalation

The §101h amounts are fixed statutory sums rather than a percentage of tax, escalating from CZK 1,000 to CZK 50,000 with the discretionary CZK 500,000 ceiling; general late-filing and late-payment consequences under the Tax Procedure Code (daňový řád) apply independently to the VAT return [7][18]. Loss of input-VAT deduction for non-compliant documentation is the practical commercial exposure [18].

14.4 Article references & links

The governing provisions are §§101c–101k of the VAT Act (zákon č. 235/2004 Sb.), with penalties in §101h, administered by the Financial Administration; the Control Statement Guidelines set out the procedure [18][9][7]. Named-adviser analyses (PwC, KPMG) provide interpretation [31][32].

Chapter 15 — Pre-Filled VAT Returns

15.1 Available today?

MODEL NOTE — No. Czechia does not offer a pre-filled VAT return. The VAT return (přiznání k DPH, form DPHDP3), the Kontrolní hlášení and the recapitulative statement are all self-prepared and self-submitted by the taxpayer through the MOJE daně portal or the data box [14][9].

15.2 Fields pre-filled vs input required

All fields are input by the taxpayer; the Financial Administration uses the submitted Kontrolní hlášení for ex-post cross-matching, not to pre-populate the return [8][9]. No source describes a pre-populated return [37].

15.3 Announced plans & timeline

No dated project for a pre-filled VAT return has been identified; the transaction-level data the Financial Administration already holds could support pre-population in future, but it is not a documented feature and none is announced [9][40].

15.4 Dependency on e-invoicing/e-reporting data

Any future pre-population would depend on richer transaction-level data (e.g. under ViDA DRR); today the linkage is only that the Kontrolní hlášení mirrors the return’s underlying transactions [9][40].

15.5 Alignment with ViDA pre-filled provisions

ViDA does not itself mandate pre-filled returns, but its Digital Reporting Requirements (from 1 July 2030 for intra-EU B2B) will provide near-real-time data that member states could use for pre-population; Czechia has not committed to this [5][29].

Chapter 16 — ViDA / International Digital Reporting Readiness

16.1 Country position

As an EU Member State, Czechia is governed by the VAT in the Digital Age (ViDA) package — Council Directive (EU) 2025/516 of 11 March 2025 (entry into force 14 April 2025) [5][6]. Its position is that of an aligned follower / behind the leaders: it has no domestic B2B e-invoicing mandate and, per advisers, has not begun implementing ViDA e-invoicing/DRR, with a working group studying other members’ solutions and national implementation expected no earlier than 2029 [29][40].

16.2 Alignment of national format & model

There are two gaps to close. First, the domestic ISDOC is a national XML rather than the UBL/UN-CEFACT-CII syntaxes that EN 16931 (the ViDA default) is expressed in, and it is voluntary [24][2]. Second, the Kontrolní hlášení is transaction-level but periodic and domestic-only, not the per-transaction, near-real-time, cross-border reporting that ViDA’s DRR requires [40]. To comply, Czechia will need an EN 16931-compliant structured e-invoice channel and a DRR feed replacing the recapitulative statement [29].

16.3 Cross-border digital reporting

Under ViDA, from 1 July 2030 structured e-invoicing and Digital Reporting Requirements become mandatory for intra-Community B2B, replacing the recapitulative statement (EC Sales List); member states may impose domestic B2B e-invoicing without an EU derogation once the reform applies, and existing domestic systems must converge to the harmonised standard by 2035 [5][6]. Czechia’s current EC Sales List will be superseded by the DRR feed on that timetable [11][5].

16.4 Business implications

Czech-established businesses trading intra-EU should build the capability to issue and receive EN 16931-compliant structured invoices and to feed near-real-time DRR ahead of 1 July 2030, even though no domestic mandate yet exists; early ISDOC/Peppol adoption is useful groundwork but is not, by itself, ViDA-compliant [29][35]. Monitoring the Ministry of Finance’s partial-transposition drafts (OSS/call-off-stock) and any domestic B2B proposal is advisable [40].

Chapter 17 — Impact on SMEs and Startups

17.1 Phased onboarding

There is no e-invoicing onboarding burden for SMEs, because B2B e-invoicing is voluntary; the live obligation for VAT-registered SMEs is the periodic Kontrolní hlášení [1][7].

17.2 Free / low-cost tools & education

The ISDOC Reader is a free viewer (CZ/EN/SK) and ISDOC is built into the majority of Czech ERP/accounting systems, so structured e-invoicing is low-cost in practice; the MOJE daně portal provides free electronic filing of the VAT return and Kontrolní hlášení, and the Financial Administration publishes guidance [24][14][9].

17.3 Simplified regimes & threshold exemptions

The VAT-registration threshold rose to CZK 2,000,000 of turnover from 1 January 2025 (with a secondary CZK 2,536,500 in-year cap), keeping many small businesses outside VAT and therefore outside the Kontrolní hlášení [33]. The paušální daň (flat-rate lump-sum tax) for self-employed persons under CZK 2,000,000 bundles income tax and social/health contributions into a single monthly payment; participants cannot be VAT payers, so they avoid the VAT and control-statement burden entirely [41].

17.4 Subsidies, tax credits, grants

No dedicated e-invoicing subsidy or grant exists, and none is needed given the voluntary, low-cost B2B position; the free ISDOC Reader and MOJE daně portal are the effective support [24][14].

17.5 Compliance costs

For SMEs, the principal ongoing cost is preparing and filing the monthly Kontrolní hlášení accurately (given the fixed-fine regime), not e-invoicing software; there is no clearance-integration cost [7][31].

17.6 Cash-flow & operational benefits

Voluntary structured e-invoicing via ISDOC/Peppol delivers automation and faster processing without a mandate, and B2G acceptance guarantees suppliers a route to invoice public bodies electronically [24][2].

17.7 Net administrative burden vs simplification

The net burden is comparatively light on the invoicing side (no mandate) but real on the reporting side (monthly Kontrolní hlášení with strict penalties); the paušální daň and the higher VAT threshold reduce the burden for the smallest businesses [7][41][33].

17.8 Market & competitive impact

Because e-invoicing is voluntary, there is no market-exclusion effect of the kind seen in clearance jurisdictions; the practical competitive driver is customer/ERP demand for ISDOC or Peppol [35][24].

17.9 Official assessments of SME readiness

No official SME-readiness assessment for a structured e-invoicing mandate has been published, consistent with the absence of such a mandate; readiness discussion is confined to the ViDA working-group context [29][40].

Chapter 18 — Practical Implementation Considerations

18.1 ERP / finance-system impacts

ISDOC is native to most Czech systems — ABRA (Gen/Flexi), Money (Solitea/Seyfor), Pohoda/Stormware, Helios — with SAP, Oracle and Microsoft Dynamics supporting it via localisation; ERPs also generate the DPHKH1 (Kontrolní hlášení) and DPHDP3 (VAT return) XML for the MOJE daně portal [24][35]. The main system task is accurate Kontrolní hlášení generation and, for those trading intra-EU, ViDA readiness [9][29].

18.2 Master-data prerequisites

Key master data are valid DIČ / VAT IDs for supplier and customer (needed for Kontrolní hlášení cross-matching), correct tax codes and the CZK 10,000 threshold logic that drives A.4/A.5 and B.2/B.3 classification, plus Peppol participant IDs where Peppol is used for exchange [9][35]. There is no clearance credential to provision [1].

18.3 Common pitfalls

Documented pitfalls concentrate on the Kontrolní hlášení: missing or mismatched counterparty VAT IDs (breaking cross-matching), mis-classifying supplies around the CZK 10,000 threshold, missing the monthly deadline, and failing to answer a výzva within 5 working days — each with fixed §101h consequences [9][7]. On the invoicing side, the usual pitfall is sending electronic invoices without documented recipient consent or an assured audit trail [18].

18.4 Vendor / service-provider landscape

Peppol access is via commercial access points (EDICOM, Comarch, SEEBURGER, Unifiedpost, Tungsten/Kofax, Pagero, among others); ISDOC is supported by the domestic ERP ecosystem; and the National eInvoicing Forum (Ministry of Finance, Ministry of the Interior, ÚNMZ) coordinates standards, with NEN as the B2G procurement platform [35][36][2][15]. There is no state Peppol Authority and no accredited-clearance-provider register [2].

18.5 Governance & internal control

Internal controls should focus on the reliability of the Kontrolní hlášening data (counterparty VAT-ID validation, threshold classification, deadline monitoring and výzva-response workflow), the documented audit trail linking invoices to supplies for VAT integrity, and — for intra-EU traders — a ViDA-readiness roadmap toward EN 16931 structured invoicing and DRR [9][18][29].

Chapter 19 — Summary & Key Takeaways

19.1 Scope

Mandatory B2G e-invoice acceptance (EN 16931); voluntary B2B/B2C; periodic transaction e-reporting via the Kontrolní hlášení for all CZ-VAT-registered persons with reportable transactions [1][7].

19.2 Format

B2G: EN 16931 in UBL 2.1 / ISDOC / EDIFACT (Peppol in practice); B2B: no mandated format (PDF valid with consent); ISDOC (.isdoc/.isdocx) is the national standard; no CIUS [2][24].

19.3 Timeline

ISDOC 2008; Kontrolní hlášení 1 Jan 2016; B2G acceptance 1 Oct 2016 (EU dates 2019/2020); EET abolished 1 Jan 2023; VAT rates 21%/12% from 2024; ViDA DRR from 1 Jul 2030 [24][7][17][12][23][5].

19.4 How it works

Post-audit — no clearance; invoices exchanged directly (with consent); the Financial Administration cross-matches the periodic Kontrolní hlášení ex-post [1][8].

19.5 Key obligations

Accept compliant B2G e-invoices; file the monthly/quarterly Kontrolní hlášení and VAT return via MOJE daně; retain VAT documents 10 years; respond to a výzva within 5 working days [1][7][37][9].

19.6 Main risks

Kontrolní hlášení penalties and cross-matching errors; the ViDA gap (ISDOC vs EN 16931 defaults; periodic vs DRR); and an unlegislated but reported “EET 2.0” [7][29][39].

19.7 SME implications

No e-invoicing mandate cost; free ISDOC Reader and MOJE daně; the monthly Kontrolní hlášení is the real burden; higher VAT threshold and paušální daň ease the smallest businesses [24][7][33][41].

19.8 ViDA / international readiness

Aligned follower; no domestic B2B mandate; must converge ISDOC/Kontrolní hlášení to ViDA DRR by the 2030/2035 timetable [29][5].

19.9 Critical dates & next steps (actionable)

Now (live): file the Kontrolní hlášení monthly/by the 25th; validate counterparty VAT IDs; keep VAT records 10 years; ensure recipient consent and an audit trail for e-invoices [7][18].
Ahead of 1 Jul 2030: build EN 16931 structured-invoicing and DRR capability for intra-EU B2B; treat ISDOC/Peppol adoption as groundwork, not compliance [29][5].
Monitor: Ministry of Finance ViDA transposition drafts (OSS/call-off stock) and any “EET 2.0” or domestic B2B proposal [40][39].

Chapter 20 — Official References & Sources

All URLs were checked during research on the information cut-off date, 6 July 2026. Sources flagged [>12 months] are older than 12 months and used for historical/background context (the governing statutes remain current despite their dates). Where sources differ (e.g. the ISDOC launch date and the Czech acceptance date vs the EU Directive application dates), the position is identified in the body text and the primary/official source is preferred. Numbering [1]–[41] is stable across the booklet; [42] is the verification note.

20.1 EU institutions & Directives

[1] eInvoicing in the Czech Republic (country page; B2G mandate; no B2B mandate; formats). European Commission — Digital Building Blocks, updated 14 Aug 2025. https://ec.europa.eu/digital-building-blocks/sites/spaces/DIGITAL/pages/467108881/eInvoicing+in+Czech+Republic

[2] 2025 Czechia eInvoicing Country Sheet (formats, CIUS, monitoring). European Commission — Digital Building Blocks, 14 Aug 2025. https://ec.europa.eu/digital-building-blocks/sites/pages/viewpage.action?pageId=881983570

[3] eInvoicing Compliance Roadmap (Directive application dates 2019/2020). European Commission — Digital Building Blocks, accessed 2026. https://ec.europa.eu/digital-building-blocks/sites/spaces/DIGITAL/pages/467108912/eInvoicing+Compliance+Roadmap

[4] Directive 2014/55/EU on electronic invoicing in public procurement. EUR-Lex, 16 Apr 2014. https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32014L0055 [>12 months]

[5] Council Directive (EU) 2025/516 — VAT in the Digital Age (ViDA). EUR-Lex, 11 Mar 2025. https://eur-lex.europa.eu/eli/dir/2025/516/oj/eng

[6] VAT in the Digital Age (ViDA). European Commission — Taxation and Customs Union, accessed 2026. https://taxation-customs.ec.europa.eu/taxation/vat/vat-digital-age-vida_en

20.2 Czech government & tax-authority portals

[7] VAT Control Statement (Kontrolní hlášení) — who files, deadlines, penalties. Finanční správa ČR (Financial Administration), accessed 2026. https://financnisprava.gov.cz/en/taxes/vat-control-statement

[8] Kontrolní hlášení DPH (overview, CZ). Finanční správa ČR, accessed 2026. https://financnisprava.gov.cz/cs/dane/dane/dan-z-pridane-hodnoty/kontrolni-hlaseni-dph

[9] Guidelines for filling out the VAT Control Statement (valid from 1 Jan 2024). Finanční správa ČR, 1 Jan 2024. https://financnisprava.gov.cz/assets/cs/prilohy/d-seznam-dani/Control_Statement_Guidelines_20240101.pdf

[10] DPHKH1 — VAT Control Statement XML structure. Finanční správa ČR / MF ČR (daňový portál), accessed 2026. https://financnisprava.gov.cz/cs/dane/dane/dan-z-pridane-hodnoty/kontrolni-hlaseni-dph/struktura-pro-podani-kontrolniho-hlaseni-xml

[11] Recapitulative statements (souhrnné hlášení / EC Sales List). Finanční správa ČR, accessed 2026. https://financnisprava.gov.cz/en/international-tax-affairs/cooperation-and-vat/recapitulative-statements [>12 months]

[12] Electronic Records of Sales (EET) — abolition. Finanční správa ČR, accessed 2026. https://financnisprava.gov.cz/en/financial-administration/electronic-records-of-sales

[13] Elektronická evidence tržeb (EET) — zrušení od 2023. Ministerstvo financí ČR, 2023. https://www.mfcr.cz/cs/dane-a-ucetnictvi/dane/danova-a-celni-legislativa/2023/elektronicka-evidence-trzeb-50868 [>12 months]

[14] MOJE daně / daňový portál — EPO electronic forms (DPHDP3, DPHKH1). Finanční správa ČR / MF ČR, accessed 2026. https://adisspr.mfcr.cz/pmd/epo/formulare

[15] NEN — Národní elektronický nástroj (national e-procurement platform). Ministerstvo pro místní rozvoj (MMR), accessed 2026. https://nen.nipez.cz/en/

[16] Digitální a informační agentura (DIA). Digital and Information Agency, accessed 2026. https://www.dia.gov.cz/

20.3 Legislation (Sbírka zákonů)

[17] Zákon č. 134/2016 Sb., o zadávání veřejných zakázek (Public Procurement Act). Zákony pro lidi, 2016. https://www.zakonyprolidi.cz/cs/2016-134 [>12 months]

[18] Zákon č. 235/2004 Sb., o dani z přidané hodnoty (VAT Act, consolidated). Zákony pro lidi, consolidated. https://www.zakonyprolidi.cz/cs/2004-235

[19] Act No. 235/2004 Coll. on VAT — English translation. Ministry of Foreign Affairs (MZV ČR), consolidated. https://mzv.gov.cz/public/94/9a/45/1751502_1431535__1._Act_No._235_2004_concerning_the_value_added_tax.pdf [>12 months]

[20] Vyhláška č. 347/2017 Sb. (B2G e-invoice format; ISDOC 5.2+). Zákony pro lidi, 2017. https://www.zakonyprolidi.cz/cs/2017-347 [>12 months]

[21] Zákon č. 112/2016 Sb., o evidenci tržeb (EET). Zákony pro lidi, 2016. https://www.zakonyprolidi.cz/cs/2016-112 [>12 months]

[22] Zákon č. 458/2022 Sb. (zrušení EET, effective 1 Jan 2023). Zákony pro lidi, 28 Dec 2022. https://www.zakonyprolidi.cz/cs/2022-458 [>12 months]

[23] Zákon č. 349/2023 Sb. (konsolidační balíček; VAT rates 21%/12%). Zákony pro lidi, 2023. https://www.zakonyprolidi.cz/cs/2023-349 [>12 months]

20.4 ISDOC & technical specifications

[24] ISDOC — official site (format, .isdoc/.isdocx, ISDOC Reader, maintenance by MVČR). ISDOC.org, accessed 2026. https://isdoc.org/en/

[25] ISDOC 6.0.2 specification (25 April 2022). ISDOC (isdoc.github.io), 25 Apr 2022. https://isdoc.github.io/doc/isdoc.pdf [>12 months]

[26] ISDOC 6.0.1 invoice schema documentation (EN). ISDOC.cz, accessed 2026. https://isdoc.cz/6.0/doc-en/isdoc-invoice-6.0.1.html

20.5 Advisor & technology publications

[27] Czech Republic E-invoicing (no B2B mandate; consent; archiving). Sovos, 22 Jul 2025. https://sovos.com/vat/tax-rules/czech-republic-e-invoicing/

[28] E-invoicing in Czech Republic (status; formats; EN 16931). VATupdate.com, 20 Jun 2025. https://www.vatupdate.com/2025/06/20/e-invoicing-in-czech-republic/

[29] Czech Republic — VAT in the Digital Age (ViDA readiness; consent; no B2B mandate). Forvis Mazars, accessed 2026. https://www.forvismazars.com/cz/en/services/tax/czech-republic-vat-in-the-digital-age-vida

[30] E-invoicing in the Czech Republic (status; ViDA timing). Accace, 15 Dec 2025. https://www.accace.com/e-invoicing-in-the-czech-republic/

[31] Kontrolní hlášení DPH (VAT Control Statement guidance). PwC Czech Republic, accessed 2026. https://www.pwc.com/cz/en/sluzby/danove-a-pravni-sluzby/neprime-dane/kontrolni-hlaseni-dph.html

[32] VAT rate consolidation 2024 (21%/12%). KPMG Czech Republic (danovky.cz), Feb 2024. https://danovky.cz/en/news/detail/1386 [>12 months]

[33] Czech Republic — amendments to VAT law 2025 (CZK 2,000,000 threshold). KPMG, Feb 2025. https://kpmg.com/us/en/taxnewsflash/news/2025/02/tnf-czech-republic-amendments-vat-law-2025.html

[34] Czech Republic — cancellation of the EET system. Sovos (regulatory updates), 2022/2023. https://sovos.com/regulatory-updates/trr/czech-republic-cancellation-of-the-electronic-cash-register-system-eet/ [>12 months]

[35] Czech Republic e-invoicing compliance map (ISDOC, NEN, archiving, providers). Basware, accessed 2026. https://www.basware.com/en/compliance-map/czech-republic

[36] Czech Republic — e-invoicing regulatory updates. Pagero / Thomson Reuters, accessed 2026. https://www.pagero.com/compliance/regulatory-updates/czech-republic

[37] E-invoicing in the Czech Republic (post-audit; B2B voluntary; 10-year archiving). dddInvoices, 19 May 2026. https://dddinvoices.com/learn/e-invoicing-czech-republic

[38] Electronic invoicing in the Czech Republic (archiving; B2G dates). EDICOM, accessed 2026. https://edicomgroup.com/electronic-invoicing/czech-republic

[39] Czech Republic — draft “EET 2.0” sales-records law (targeted 2027). Fiscal Solutions, 19 Mar 2026. https://www.fiscal-requirements.com/news/5184

[40] EU’s ViDA in motion — how member states are preparing for DRR (Czech partial transposition). VATupdate.com, Dec 2025. https://www.vatupdate.com/2025/12/24/eus-vida-in-motion-how-eu-member-states-are-preparing-for-implementing-digital-reporting-requirements-drr/

[41] Rules for the lump-sum tax (paušální daň) in 2026. ExpatTaxes.cz, 28 Nov 2025. https://expattaxes.cz/2025-11-28_rules_for_the_lump_sum_tax_pausalni_dan_in_2026

Czech Republic — E-Invoicing & E-Reporting Country Booklet