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Verification activities — explanation and course

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Table of contents

  • Purpose and scope of verification activities
  • Statutory scope in practice
  • Typical situations when the office uses them
  • How the contact with the office looks
  • Taxpayer rights and obligations
  • Possible outcomes
  • Do I have to file a correction?
  • When verification activities turn into a control
  • How to respond
  • How verification activities end
  • Legal basis
  • Related topics
  • Frequently asked questions (FAQ)

Verification activities are a less formal form of review that the tax office uses to quickly verify data. They usually have a narrower scope than a tax audit, but may lead to further actions if irregularities are found.

Purpose and scope of verification activities

The goal is to check whether declarations, records and other data are consistent and free from obvious errors. The scope is often narrow and may concern a single return, a specific period, or a single transaction.

Statutory scope in practice

The law indicates that verification activities include, among others:

  • checking timely filing of returns and tax payments,
  • reviewing formal correctness of documents and obvious mistakes,
  • establishing facts to the necessary extent,
    • verifying data and explanations to the necessary extent.

This is a statutory catalogue, so the office should not expand the scope beyond these aims without formally initiating a control.

Typical situations when the office uses them

Most often verification activities appear when there are:

  • inconsistencies in return data,
  • verification of tax refunds,
  • formal deficiencies or obvious errors.

How the contact with the office looks

The office usually requests explanations or asks for missing documents. Sometimes it asks to confirm data in a short form. In practice, a quick and factual response often ends the matter without escalation.

The request should indicate the scope of the demanded information. It is worth answering precisely and within that scope to avoid opening additional threads.

Taxpayer rights and obligations

You have the right to know what the questions concern and to submit explanations. The obligation is to provide the requested documents and cooperate within a reasonable scope. If the case is complex, you can appoint a representative.

Possible outcomes

Do I have to file a correction?

A correction is not automatic. If the office indicates an error, it is worth analyzing whether a correction is justified and possible in the given situation. The decision should follow from specific findings, not from the mere fact of the request.

In practice the office may ask for explanations or suggest a correction, but responsibility for the content of the return remains with the taxpayer.

When verification activities turn into a control

If the office finds significant irregularities or needs a broader review, it may initiate a tax audit. Verification activities do not guarantee the case will be closed — they can be the first stage of further actions.

How to respond

The best approach is to organize documents and provide concrete answers. It is also worth noting what and when was submitted to keep order in correspondence.

How verification activities end

Most often they end with no further actions, a request for supplements, or a suggestion to correct. If the office decides the case is broader, it may initiate a tax audit. That is why verification activities should be treated as a stage where inconsistencies can be clarified quickly.

Legal basis

  • Tax Ordinance (Journal of Laws 2025 item 111) — consolidated text

Related topics

  • Tax inspection
  • Tax audit
  • Customs and tax control

Note: this text is informational and does not constitute legal or tax advice.

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Frequently asked questions (FAQ)

Czym różnią się czynności sprawdzające od kontroli?+
Czynności sprawdzające to zwykle prostsza weryfikacja danych, a kontrola jest sformalizowanym postępowaniem o szerszym zakresie.
Jaki jest ustawowy cel czynności sprawdzających?+
Ustawa wskazuje m.in. weryfikację terminowości deklaracji i wpłat, formalnej poprawności oraz ustalenie stanu faktycznego w niezbędnym zakresie.
Czy urząd może żądać wyjaśnień mailowo?+
Tak, urząd może kontaktować się różnymi kanałami, ale zwykle potwierdza to formalnie wezwaniem lub pismem.
Czy muszę składać korektę po czynnościach sprawdzających?+
Nie zawsze. Korekta bywa możliwa, gdy pojawiają się niezgodności, ale decyzja zależy od sytuacji.
Czy czynności sprawdzające mogą dotyczyć zwrotów podatku?+
Tak. Czynności sprawdzające często pojawiają się przy weryfikacji zwrotów i rozliczeń.
Co jeśli nie odpowiem na wezwanie?+
Brak odpowiedzi może skutkować dalszymi działaniami organu, dlatego warto reagować terminowo.

Related calculators

  • Tax interest calculator — arrears interest
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Related guides

  • Tax audit — process, rights and duties
  • Tax inspection — process and taxpayer rights
  • Customs and tax control — scope and process
  • Tax interest — rules and calculation

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Compare firms by specialization, city, and ratings. You contact the selected firm directly.

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