KSeF from February 1 also for small businesses. They must include purchase invoices
Starting February 1, 2026, all invoices will be issued in XML format and sent to the KSeF system, with small businesses required to comply by 2027.
KSeF: traditional archiving is losing significance
The implementation of the National e-Invoice System (KSeF) will change the understanding of invoices as accounting documents, transitioning from traditional paper forms to structured XML data formats.