Vietnam’s Tax Risk Classification for Business Households: Transfers Without Notes Still Require Accurate Income Reporting

From July 1, 2026, Vietnam will classify business households by tax risk under the 2025 Law on Tax Administration. Local Tax Office No. 12 in Thanh Hoa Province said tax authorities will analyze electronic invoices, transaction cash flows and tax compliance records to determine each household’s risk level and the corresponding intensity of oversight.

Illustration of tax administration for business households in Vietnam.（VietVance）

Risk assessments focus on whether data from different sources is consistent, including bank transactions, tax declarations, tax payment records and business registration information. Discrepancies between declared revenue and cash flows, irregular invoicing, or failure to update business information after a change may all be signals requiring further verification. Risk classification itself is neither a finding of wrongdoing nor grounds for a penalty; taxpayers retain the right to explain, provide additional documents and file complaints.

Under the tax rules described in the article, revenue used to calculate value-added tax for business households and individual business operators includes all amounts due from sales of goods and provision of services. Where subject to tax, it is calculated on a tax-inclusive basis, regardless of whether payment has been received. Accepting only cash, leaving transfer notes blank or using vague notes to disguise the nature of a transaction does not reduce tax obligations and may raise suspicions that revenue is being concealed.

The director of the Hanoi Tax Department said leaving transfer notes blank cannot prevent tax authorities from tracking sellers and cash flows. Hanoi’s tax authorities said they will assess the risk of concealed revenue using tax databases and information exchanged with other departments, rather than relying solely on transfer records.

Source: VietVance