- Mandatory e-invoicing in Poland postponed to July 2024
- Phased introduction for large enterprises in 2024, wider base from April 2026
- KSeF 2.0 package includes offline mode, attachment capability, and grace period for penalties
- Updated invoice schema and API documentation to be published in June 2025
- API testing and issuer certification planned for later in 2025
- Invoices to be archived for at least 10 years with unique IDs
- Companies should start technical integration and system testing
- Prepare for offline functionality and attachment features
- Train finance teams on XML invoice formats and compliance timelines
Source: mddp.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.