The Global Minimum Tax, also known as the Global Minimum Corporate Income Tax (GMT), applies to large multinational corporations investing in countries with corporate income tax rates lower than the standard threshold. The purposes of the Global Minimum Tax are: Collect taxes; Terminate the race to the bottom in corporate tax rates among countries to attract investment; Prevent transfer pricing by multinational corporations.

From 2026, household businesses in Vietnam will transition into a new regulatory era: the presumptive tax regime will be phased out and replaced by the self-assessment system, requiring tax payments based on actual turnover. This structural change is significant and calls for proactive preparation. Three key areas demand immediate attention: