Qualified signature in the new JPK environment

Please be informed about the conditions that a qualified signature must meet in the new JPK environment

Please be advised that in the shared test environment and the currently implemented production environment for shipping JPK (uniform control files):

• in the case of a qualified signature issued by a Polish certification center,
• for correct verification of the JPK_VAT signature with the declaration (JPK_V7M and JPK_V7K),

– the certificate should include the PESEL or NIP of the signature owner .

Signing the SAF with a qualified signature without PESEL or NIP will result in the termination of the processing of the document with error code 423.

Source: gov.pl

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