The Polish MoF has provided guidance on how taxpayers should include the KSeF identification number (KSeF ID) or the relevant tags in the sales and purchase records of the JPK_VAT with declaration. The guidance clarifies when to enter the KSeF ID, and when to use various tags depending on whether the invoice was issued via KSeF, outside KSeF, in offline modes, or whether the entry relates to another type of document.
KSeF-related entries and markings explained
The guidanc…