e-Deklaracje: who does it apply to?

Taxpayers and payers filing returns electronically, most often companies and accounting firms.

e-Deklaracje: when and by what deadline?

By the deadlines set by the rules for the given return (e.g. the 25th for JPK_V7). The system works around the clock.

e-Deklaracje: where do you file or arrange it?

From accounting software with an e-Deklaracje module or through forms on the Tax Portal. The submission must be signed.

Income taxes

e-Deklaracje: what is it?

Electronic tax return filing system

e-Deklaracje is the Ministry of Finance's system for filing returns and JPK files electronically, most often from accounting software.

What it is: A gateway through which accounting programs send returns to the tax offices (including JPK_V7, VAT-UE, PIT-11, CIT-8). After accepting a document the system returns a UPO.
Who it affects: Taxpayers and payers filing returns electronically, most often companies and accounting firms.
When: By the deadlines set by the rules for the given return (e.g. the 25th for JPK_V7). The system works around the clock.
Where: From accounting software with an e-Deklaracje module or through forms on the Tax Portal. The submission must be signed.

How it works in Zaksio

Zaksio prepares files for e-Deklaracje, and you can sign the submission with a qualified certificate.

This is information, not legal advice. As of 2026-10. Deadlines and rules may change, so check them in the official source.

Source: Tax Portal: e-Deklaracje

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How it works in Zaksio

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