Determining revenue for taxable corporate income established under Vietnamese law

Legal Consulting Office of Lao Dong Newspaper answers:

Clause 1, Article 5 of Circular 20/2026/TT-BTC (effective from March 12, 2026 and applicable from the tax period of 2025), stipulates the time to determine corporate income taxable revenue in some cases for enterprises established under Vietnamese law as follows:

a) For exported goods, the time to determine corporate income tax revenue is the date of transfer of ownership according to the goods export contract. In case the time of transfer of ownership cannot be determined, the time to determine corporate income tax revenue is based on the provisions on the basis for determining export goods of customs law;

b) For air transport activities, the time to determine corporate income taxable revenue is the time of completion of transportation service provision to buyers;

c) For construction and installation activities (including shipbuilding), the time to determine corporate income tax revenue is the time of acceptance of the project, project item, construction and installation volume, regardless of whether money has been collected or not;

d) For electricity and water supply activities, the time to determine corporate income tax revenue is the date of confirmation of the electricity and water meter readings recorded on the electricity and water bill.

Thus, from March 12, 2026, the time to determine revenue to calculate Corporate Income Tax in cases where enterprises are established under Vietnamese law as above.

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