- Update of the API of the National e-Invoice System on the test environment
- The update is planned for March 21, 2024, from 10:00 on the test environment
- The update includes UPO on demand and support for PEF invoices
- Temporary difficulties in accessing the environment may occur during the update
- 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.
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