Poland: Poland e-Tax Office Maintenance Window Scheduled for Sept 3

On 3 September 2026, the Polish National Revenue Administration (KAS) announced a maintenance window for the eUrząd Skarbowy (e-Tax Office) portal, the primary online platform for taxpayers to interact with tax authorities. The maintenance is scheduled for 3 September 2026 and may result in temporary unavailability of key services, including tax return submission (PIT, CIT, VAT), access to the Twój e-PIT service, power of attorney management, and the White List (Biała Lista) verification. Taxpayers and tax advisors are urged to complete any urgent filings or verifications before the maintenance period begins. The KAS publishes such technical notices to minimize disruption to statutory deadlines and ensure the stability of its digital public services.

Key Takeaways

  • Portal Maintenance: The eUrząd Skarbowy portal will undergo scheduled maintenance on 3 September 2026, potentially interrupting access to all electronic tax services.
  • Deadline Management: Taxpayers with filing obligations on the maintenance date should submit returns early or use alternative channels if available, to avoid late submission penalties.
  • Service Scope: The outage affects a wide range of services, including tax declarations, power of attorney registration, VAT taxpayer verification (White List), and individual tax account (mikrorachunek podatkowy) access.

Disclaimer: This article is compiled and summarized by the AI based on publicly available information and is for general information purposes only. It does not constitute any form of formal tax advice, legal opinion, or basis for performance. Please consult a qualified professional tax advisor or legal counsel for tax advice.

Source: Read Official Announcement