Update of JPK service interface specifications – version 4.2

• Updated version of JPK service interface specification has been published
• Published on December 27, 2023 on the Tax Portal website
• Version 4.2 of the specification
• Added support for CESOP files: PSP-FR (1), PSP-IP (4)
• test environment
• Optional step with document signature in the “Block diagram of steps for preparing data for submission”
• Added support for ALK files (2)
• production environment
• Information about implementation dates for ALK (2), PSP-FR (1), PSP-IP (4) schemas in production.

Source: podatki.gov.pl

Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.

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