- From February 1, 2026, receiving a VAT invoice via the National e-Invoice System (KSeF) will not inherently have civil law effects.
- Parties to contracts must find another way to acknowledge payment obligations for goods or services.
- KSeF will be mandatory from 2026, involving the issuance and automatic transmission of structured invoices to recipients.
- All active VAT taxpayers in Poland will receive structured invoices through KSeF.
- Legal receipt of the document occurs the moment it is sent to KSeF and assigned a number.
- Concerns exist about potential misuse and fraud related to the system.
- Receiving a structured invoice via KSeF does not automatically have civil law effects; it depends on the parties’ agreement.
- The receipt of a VAT invoice through KSeF is a tax-related legal state, not a civil obligation.
- VAT taxpayers are advised to declare that receiving a structured invoice via KSeF will not have civil law effects unless otherwise agreed in a contract.
Source: ksiegowosc.infor.pl
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.