Vietnam: Guidance on various provisions under corporate income tax law
Circular No. 20/2026/TT-BTC issued March 12, 2026
The Ministry of Finance on March 12, 2026, issued Circular No. 20/2026/TT-BTC, providing detailed guidance under the Law on Corporate Income Tax (CIT) No. 67/2025/QH15 and Decree No. 320/2025/ND-CP regarding:
- Documentation requirements for certain deductible expenses
- Reporting for CIT incentives in certain circumstances
- Timing for determining taxable revenue in certain specific cases
- Reporting for tax declaration and payment for Vietnamese enterprises investing abroad
- CIT for foreign enterprises conducting business in Vietnam
- Tax administration requirement related to expansion investment projects and the Science and Technology Development Fund
Read a March 2026 report prepared by the KPMG member firm in Vietnam