- From February 2026, new JPK_V7M(3) and JPK_V7K(3) structures will be mandatory, marking a major step in Poland’s tax system digitalization and KSeF implementation.
- Strict technical validation will require each invoice to have a unique KSeF number or one of three new markers; missing data will result in automatic rejection.
- New sections will require detailed reporting of VAT on unreturned beverage packaging deposits, increasing data complexity.
Source: crido.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.
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