- Krajowy System e-Faktur will simplify document flow but not for all cases.
- Some industries like telecommunications and fuel will benefit from sending invoices with attachments.
- Attachments cannot include details like work specifications or acceptance protocols.
- Construction and similar industries will still need to send documents via email.
- The Ministry of Finance is finalizing a VAT law amendment making KSeF mandatory.
- The latest draft includes many suggestions from previous consultations.
- Comments on the draft can be submitted until April 25.
- To send attachments to KSeF, prior notification via e-Urząd Skarbowy is required starting January 1, 2026.
- The system is designed for industries with standardized information in attachments.
- Attachments like work schedules or cost estimates in PDF or JPG are not allowed.
- Many businesses will need to reorganize their document processes.
- The functionality aims to protect the system from cyber threats.
- Attachments will be an integral part of e-invoices with a structured format.
Source: prawo.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.