Sending Invoices to KSeF

Overview

Once a structured invoice is issued, you can submit it to KSeF in a single step. Biurko builds the required FA(3) XML, signs the submission, and follows it through to a final result.

Submission Process

1. Issue the invoice and confirm that all required fields are filled in.
2. Click "Send to KSeF" — the invoice is placed in the sending queue.
3. Watch the transmission status update in real time.
4. Once KSeF accepts the invoice, you receive its unique KSeF number and the UPO (Urzędowe Poświadczenie Odbioru) confirmation.

Common Issues

XML validation errors, connection timeouts, and authentication failures are diagnosed automatically, with clear guidance on how to fix them — you are never left staring at a raw technical error. If KSeF rejects an invoice, correct the underlying issue and resend it.