Scenario: you’re a Japanese director of an FDI company in Vietnam, also receiving royalties from another Vietnamese company for your patent. You hear “the Japan–Vietnam treaty saves some tax”. How does the treaty work — automatic reduction or something you must claim?
Not automatic — and it creates no new tax
Get the nature right first: a double taxation agreement (DTA) creates no new tax liability; it only limits each country’s taxing rights so one income isn’t taxed twice. Vietnam has signed ~80 treaties, including Japan’s. But benefits are not automatic — you must file a treaty relief notification with the Vietnamese tax authority (plus proof of tax residency in the treaty partner state).
Three treaty articles foreigners use most
- Employment income: exempt in Vietnam if all three hold: ≤183 days in Vietnam in any 12-month period; salary paid by a non-Vietnam-resident employer; not borne by a Vietnam permanent establishment. Fail one → domestic law applies.
- Dividends, interest, royalties: treaties typically cap Vietnam’s rate — e.g., royalty rates under many Vietnamese treaties are just 7.5–10% instead of the domestic rate; dividends 5–10% by treaty and ownership. If domestic law is already lower than the treaty cap, domestic law applies (more-favorable rule).
- Double-tax relief methods: where both countries still tax, the treaty grants exemption (one state doesn’t tax) or credit (tax paid in the other state offsets tax due), so the burden never doubles.
Procedure: notify + prove residency
To claim benefits, file a treaty relief notification with the Vietnamese tax authority (form 01/HTQT under current rules), attaching a foreign tax residency certificate (proving you’re a Japanese tax resident) and contracts/documents evidencing the income. No foreign residency certificate → no proven status → no treaty benefit.
When the treaty is “useless”
- Income arising and taxed in only one country → no double taxation → treaty adds nothing.
- Domestic law already more generous (e.g., Vietnam’s 5% dividend rate below the treaty cap) → domestic law applies.
- No notification filed → tax authority applies domestic law as if no treaty existed.
Frequently asked questions
Do tax treaties reduce tax automatically?
No — file a relief notification with Vietnam’s tax authority, with a foreign tax residency certificate. Without filing, domestic law applies.
Employment exemption conditions under treaties?
Three cumulative: ≤183 days in Vietnam per 12-month period; paid by a non-Vietnam-resident employer; not borne by a Vietnam permanent establishment.
How much can treaties cut royalty tax?
Depends on the treaty — many Vietnamese treaties cap royalties at 7.5–10%. If domestic law is lower, domestic law applies.
What documents to claim treaty benefits?
Relief notification (form 01/HTQT) + foreign tax residency certificate + contracts/documents evidencing the income.
This article has been quality-reviewed by the FLAW AI Legal Council Content prepared by the AI Legal Council of FLAT Law Firm for general reference only; it has not been reviewed by a human lawyer for your specific situation.
