JPK Tax Reporting Deadline Extended to July—More Time for Income Documentation
Poland extended the deadline for submitting JPK income and expense reports from March to July 31, 2026, giving tax filers and businesses several extra months to prepare structured accounting data for tax authorities.
In May 2026, Poland's parliament approved amendments extending the filing deadline for JPK (Jednolity Plik Kontrolny / Unified Control File) tax reports for personal income tax (PIT) and corporate income tax (CIT) purposes. The new deadline—set for the end of the seventh month after the end of the tax year—took effect on July 1, 2026.
For most individuals and businesses following the calendar tax year, this means moving the deadline from March 31 to July 31. The change applies to entities that maintain full accounting books (księgi rachunkowe).
What Changed
- Old deadline: March 31 for the previous calendar year's taxes
- New deadline: July 31 for the previous calendar year's taxes
- Effective date: July 1, 2026
The extension recognizes the complexity of JPK preparation: submitting these reports requires correct mapping of accounting data, tagging of chart-of-account items, validation of financial records, and generation of XML structures compatible with the tax authority's system.
If you file taxes as a self-employed person (JDG), run a small company, or manage accounts in Poland, this gives you breathing room. You now have until the end of July—rather than end of March—to coordinate with your accountant, ensure your accounting software is compliant, and submit the required JPK files to your tax office without missing the filing deadline.
Sources
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