← Back to Help Center
KSeF and foreign businesses
If you trade with Polish partners, KSeF obligations can affect how you receive and book invoices. Details depend on tax residency and group structure.
B2B invoices often enter a central system before email. Without proper KSeF authorization you may struggle to access the source document for VAT.
What to watch
- Confirm whether your entity must register or grant powers of attorney in Polish KSeF.
- Agree with partners how you will retrieve invoices (web UI vs integration).
- Keep NIP / VAT ID on the invoice consistent with system data.
- Plan month-end around Polish counterpart obligations.
- For legal interpretation, consult a Polish or EU tax advisor.
This text is informational and not legal advice.