- Companies must manage invoices both within and outside the KSeF system, leading to accounting challenges and risk of double-booking.
- Invoices are issued in multiple formats: structured XML in KSeF, electronic PDFs, and traditional paper, and this will continue until the end of 2026.
- Some businesses avoid KSeF by issuing simplified invoices (receipts up to 450 PLN), which remain outside the system.
- Duplicate invoice delivery (via KSeF and email) causes confusion and increases the risk of errors in accounting.
- System login failures and incomplete invoice data in KSeF add to the uncertainty, with regulations lacking clarity on these issues.
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.
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