Poland launches public consultation on KSeF 2.0 API business event model

On April 23, 2026, the MoF in Poland published a public consultation on a proposed model for handling invoice-related business events and synchronizing related changes in the KSeF API. KSeF is Poland's national e-invoicing platform, which enables the issuance, receipt, and storage of structured electronic invoices. The proposal is intended to gather market feedback before the final direction and implementation scope are determined.  

What is being proposed: &…