- Poland’s KSeF (National E-Invoicing System) will become mandatory in phases starting February 2026, covering both VAT active and exempt entities for B2B and B2G transactions; B2C e-invoicing remains optional.
- KSeF 2.0 introduces legislative and technical changes, including support for optional B2C invoicing, offline invoicing capabilities, and clearer rules for cross-border and complex business scenarios.
- Four offline modes are supported to address connectivity and system issues, allowing invoice submission flexibility.
- New QR code requirements are introduced to ensure invoice authenticity and access, especially for invoices exchanged outside KSeF.
Source: sovos.com
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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