On June 10, 2026, the Tax Department issued Official Letter No. 3870/CT-CS providing guidance on the receipt of Country-by-Country Report (CbCR) via the automatic exchange of information mechanism (CbC MCAA).
Accordingly, subsidiaries in Vietnam whose Ultimate Parent Entities (UPEs) are located in one of the 37 countries/territories that have activated the CbCR exchange mechanism with Vietnam will not be required to submit CbCR in hard copy or through any other forms directly to the Vietnamese tax authorities.
This list includes jurisdictions with major investments in Vietnam, such as Australia, Japan, South Korea, China, Singapore, and Hong Kong.
For further details regarding Official Letter 3870/CT-CS and the complete list of the 37 countries, please refer to the link below.




