- Individual entrepreneurs must issue invoices via the National e-Invoicing System (KSeF) starting February 2026.
- They can choose to handle invoicing themselves or delegate it to an accountant.
- The Taxpayer Application KSeF 2.0, prepared by the Ministry of Finance, will be available in its full version from February 1, 2026, but can be tested now.
- Additional authentication methods like tokens may be available.
Source: podatki.gazetaprawna.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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