- In 2026, businesses with monthly gross sales documented by invoices of 10,000 zł or less can issue invoices outside KSeF (paper or e-invoice) from April 1 to December 31, 2026.
- The 10,000 zł limit is based on gross amounts and includes only invoices that must be issued in KSeF.
- Do not count sales documented by cash register reports, undocumented sales, consumer invoices, receipts treated as invoices (up to 450 zł with buyer’s NIP), invoices issued to non-business individuals on request, or other invoices exempt from KSeF.
- The Ministry of Finance says only invoices without KSeF exemptions count toward the threshold.
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.
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