- Additional maintenance work will be conducted on the test environment of the National e-Invoice System
- The work will take place from October 26, 2023, at 8:00 PM to October 27, 2023, at 12:00 PM
- There may be temporary difficulties in accessing the test environment during this time
- Apologies for any inconvenience caused
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.