CEiDG API
New – Excel add-in for VAT, VIES and REGON
[PL] For non-programmers, we have provided an add-in to the MS Excel application, thanks to which it is possible to use all the most important functions of the nip24.pl website: checking the taxpayer's status in the VAT register, checking a foreign contractor in the VIES system, searching and downloading necessary data to issue an invoice, searching and downloading detailed data of entities, checking Read more…