- Polish E-invoicing System KSeF will be implemented in Poland on February 1st or April 1st, 2026
- It will affect Polish companies, foreign companies registered for VAT in Poland, and foreign companies with a fixed establishment in Poland
- KSeF is a centrally managed IT system for issuing and sending invoices, changing current billing practices
- Foreign companies with VAT registration in Poland must use KSeF if they have a fixed establishment
- There is ongoing assessment for foreign entities with only VAT registration regarding receiving invoices via KSeF
- Entities with VAT registration in Poland should analyze their fixed establishment status and confirm its absence if applicable
- Tax authorities are conducting inquiries about fixed establishments, and explanations may be required closer to KSeF implementation
Source: michaelamerz.org
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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