- On October 20, 2022, we released an updated test version of the KSeF Taxpayer Application.
- The application enables, among others issuing and receiving invoices from the KSEF and viewing invoices.
- The update takes into account comments and suggestions submitted during testing.
- We encourage you to continue testing the application.
The test application is available at taxki.gov.pl
Source gov.pl
Latest Posts in "Poland"
- Poland’s Mandatory KSeF E-Invoicing: Key Dates, Requirements, and Compliance for Businesses
- Mandatory KSeF Implementation: Technical Setbacks and Process Challenges After VAT Law Amendment in Poland
- Over 35 Million Invoices Issued in KSeF Since Mandatory E-Invoicing Began in February 2026
- KSeF Causes Invoice Surge: From 10 to 170 Electricity Bills for Housing Cooperatives
- KSeF as a Shift Toward Preventive Tax Administration and Fewer Sanctions














