- Access to the pre-production (Demo) and production environments of the National e-Invoice System is currently affected
- There are sporadic authentication issues caused by extended response times from qualified trust service providers
- Users are advised to use alternative authentication methods and report any problems to info.ksef@mf.gov.pl
- The service is being worked on to restore normal functionality
- 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.