Decree 255/2026/ND-CP on Tax Administration for Related Party Transactions – Key Changes

On 30 June 2026, the Vietnamese Government issued Decree 255/2026/ND-CP (hereinafter referred to as "Decree 255" or “the Decree”) on tax administration for related party transactions (“RPTs”), replacing Decree 132/2020/ND-CP ("Decree 132") and Decree 20/2025/ND-CP ("Decree 20/2025").

Decree 255/2026/ND-CP took effect on 1 July 2026 and applies from the 2026 corporate income tax (“CIT”) period. Overall, the Decree retains the existing transfer pricing compliance framework for RPTs, while introducing several important amendments to key regulations. In this Tax Alert, Forvis Mazars Vietnam provides an overview of the key changes under Decree 255 that may have significant implications for transfer pricing compliance in Vietnam.

The key changes introduced under Decree 255/2026/NĐ-CP:

  1. Establishing database priority hierarchy
  2. Expanding exemption threshold for Transfer Pricing Documentation
  3. Enhancing the regulatory framework for Country-by-Country Report ("CbCR")
  4. Strengthening tax administration and compliance support

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Please refer to the full updates in the Download section below.

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[ENG] Forvis Mazars in Viet Nam_​Tax & Legal Updates_​Decree 255 on Transfer Pricing

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