- Polish Ministry of Finance released a new draft of the FA3 schema for the National e-Invoicing System on 8 May 2025
- Key changes include updates to code formats, schema variants, and data types
- New features added such as attachments and identification markers
- VAT rate and payment process improvements introduced
- Various enhancements like making the address field optional for Entity3
- Official FA3 schema expected in June 2025
- Open API testing environment planned from 30 September 2025
- FA3 structure to replace FA2 on 1 February 2026 when KSeF becomes mandatory for largest taxpayers
- KSeF 1.0 environment will continue to store invoices under the voluntary model after 1 February 2026
Source: sovos.com
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.
