invoices

KSeF - Krajowy System e-Faktur

Mandatory KSeF in JPK_VAT declarations

However, KSeF is mandatory in JPK_VAT declarations. However, in the context of JPK_VAT declarations, things will not be as rosy after the entry into force of the National e-Invoice System (KSeF), as announced by the Ministry of Finance (MF). The Ministry had previously announced that it would not introduce changes to the KSeF and JPK_VAT declarations at the same time, because it is too much of a burden for Read more…

By Zespół KSeF API, ago

Issuing a structured invoice using the Open API of the National e-Invoice System (KSeF)

Issuing a structured invoice using the Open API of the National e-Invoice System (KSeF) The process of issuing an e-Invoice using the KSeF API is not trivial at all, which is why we have prepared the instructions below so that anyone who is not afraid can try their hand at this "competition". Anyway, there is no point in extending the introduction - see for yourself: 1. Challenge Read more…

By Zespół KSeF API, ago