Action Plan for Tax Invoice Blocking: Deadlines, Documents, and Recommendations

Blocking tax invoices is one of the most common issues businesses face when dealing with the tax authorities. The monitoring system evaluates every invoice for potential risks, and if violations or inconsistencies are detected, the invoice is automatically suspended. In such situations, it is critically important not only to respond quickly but also to act within clearly established deadlines.

What Deadlines Are Established by Law?

According to the Tax Code of Ukraine:

• After a tax invoice is blocked, the taxpayer has 5 working days to submit explanations and supporting documents through the taxpayer’s Electronic Cabinet.
• The State Tax Service must review the submitted materials within 5 working days from the date of receipt and make a decision to:
  • register the tax invoice;
  • or refuse registration with justification.

What Documents Should Be Submitted?

It is recommended to attach a complete set of primary documents confirming the reality of the business transaction, including:

• contract with the counterparty;
• tax invoice and delivery/shipping documents;
• payment documents (bank statements, payment orders);
• acceptance certificates for goods/services;
• transport documents;
• warehouse or storage documentation;
• staffing and financial documents (staff schedule, reporting, etc.).

Practical Tip

Do not wait for official notifications — check the electronic taxpayer cabinet daily for possible invoice blocking.

What Happens If Explanations Are Not Submitted?

• The tax invoice will remain unregistered and therefore unavailable for tax credit purposes.
• Penalties may be imposed under the Tax Code of Ukraine.
• The taxpayer may be included in the list of risky taxpayers.

What to Do in Case of Refusal?

If the State Tax Service refuses registration, the taxpayer has the right to:

• Submit an administrative complaint to the central commission of the State Tax Service.
• Appeal the decision in an administrative court.

Appeal Deadlines

• Administrative complaint — 10 calendar days from receipt of the refusal.
• Court appeal — 6 months from the date the taxpayer became aware or should have become aware of the rights violation.

Practical Recommendations

• Prepare standard document packages in advance for typical business transactions.
• Check counterparties for risk indicators.
• Keep evidence of the business purpose and actual movement of goods or services.
• Seek legal assistance — timely legal support helps avoid critical mistakes.

Blocking tax invoices is not a final verdict, but it requires fast and professional action. Compliance with deadlines, proper documentation, and legal support are the key factors for successfully resolving the issue.

The Ukrainian Bar and Real Estate Association has extensive practical experience in protecting taxpayers and provides effective support at every stage — from preparing explanations to court representation.

Contact us — your tax invoices deserve proper protection.