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Hungary: Guidance on fulfillment of CRS obligations

Key updates on the proper fulfillment of CRS obligations

May 7, 2026

The National Tax and Customs Administration (NAV) of Hungary in April 2026 issued guidance on the proper fulfillment of CRS obligations. 

The key updates include:

  • Transition to the new online form filling application (ONYA) system
  • Reporting for trusts
  • Reporting for legal entities
  • Changes to account type classifications
  • Data fields effective from 2026
  • Common errors in due diligence and reporting processes
  • Valid self-certification for new individual accounts
  • Treatment of tax identification number (TINs)
  • Reporting requirements for non-reportable persons
  • Missing information on controlling persons
  • Required currency in reported amounts
  • Special due diligence requirements
  • Identification of passive non‑financial entities (NFEs)
  • Citizenship by investment or residence by investment (CBI/RBI) scheme

Read a May 2026 report prepared by the KPMG member firm in Hungary

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