- Maintenance work is scheduled for API KSeF 1.0 and the Certificate and Authorization Module (MCU) on December 8, 2025, from 16:00 to 19:00.
- During this time, the production environment of API KSeF 1.0, the Taxpayer Application KSeF 1.0, and the Certificate and Authorization Module for KSeF 2.0 will be unavailable.
- Apologies for the inconvenience.
Source: podatki.gov.pl
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.
Latest Posts in "Poland"
- Ministry of Finance: Penalties for Errors in KSeF Do Not Have to Be Maximum
- E-Invoicing in Poland: 7 things you need to know in 2026
- Does a Municipal Association Serving Its Members Operate as a VAT Taxpayer?
- VAT on Sale of Green Recreational Land: Does Main Land Use Determine Tax Exemption?
- Tax Office Still Reluctant to Allow VAT Deductions for CSR Spending
