- From February 1, 2026, all B2B invoices in Poland must be issued and received via the National e-Invoicing System (KSeF) in a structured XML format.
- KSeF has been available on a voluntary basis since January 1, 2022, but few companies have used it so far.
- The new system will replace traditional paper and electronic invoices with standardized, structured digital invoices processed through a central platform.
- The obligation applies to both domestic and international B2B transactions, but not to B2C invoices or foreign entities without a permanent establishment in Poland.
- The changes align with upcoming EU regulations (ViDA), which will require mandatory e-invoicing and near real-time electronic reporting for cross-border transactions within the EU.
Source: mddp.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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