What is KSeF?

Overview

KSeF (Krajowy System e-Faktur) is Poland's National e-Invoice System. It is a centralized platform managed by the Ministry of Finance for issuing, receiving, and storing structured electronic invoices.

Key Features

KSeF enables businesses to:

• Issue invoices in a standardized XML format (FA(3))
• Authenticate using qualified certificates or tokens
• Track invoice transmission statuses in real-time
• Maintain a legally compliant invoice archive