We have tax reporting software which helps to our clients make VAT returns.
We’ve made a file JPK_VAT and we move through this guide ([login to view URL])
But in the process of the sending we have troubles.
We have a qualified key signature flashcard which we received from the EuroCert ([login to view URL])
How it is possible to sign JPK_VAT for our clients and send it using our qualified signature?
According to the instruction, it's possible to sign the VAT return using SIG-2008_v2-0.xsd.
([login to view URL] ) – please look at the page number 9
But in the process of sending of AuthData, the system gives us the error:
We don’t know how to sigh it and how to organize the process of sending.
WE NEED DEVELOPER WITH POLISH LANGUAGE SKILLS.