Scenario: Germany’s tax authority adjusts a parent’s profit up by EUR 2 million (finding the parent undercharged its Vietnamese subsidiary — i.e. the subsidiary benefited). The Vietnamese subsidiary asks: “Germany taxed the parent more — will Vietnam tax us correspondingly less to avoid double taxation?” The mechanism is the corresponding adjustment — little-known but potentially worth tens of billions of dong in cross-border cases.
What is a corresponding adjustment?
When country A’s authority adjusts up a related party’s profit (and tax) for non-arm’s length pricing, country B may adjust down its own related party’s profit — so the same profit isn’t taxed twice. This is a unilateral mechanism (country B decides alone), unlike MAP which is bilateral negotiation. Legal basis: the associated-enterprises article in double tax treaties (cf. Article 9(2) of the OECD Model).
Conditions for Vietnam’s corresponding adjustment
- Treaty coverage: the Vietnam–other-country treaty must contain a corresponding-adjustment provision (most Vietnamese treaties do, but verify the text);
- The foreign adjustment must be arm’s length: Vietnam doesn’t rubber-stamp foreign adjustments — its authority assesses whether the other’s adjustment truly reflects arm’s length. If deemed excessive, Vietnam may refuse or partially adjust;
- Same transaction, same period: the upward-adjusted profit abroad must correspond to the Vietnamese company’s transaction and tax period;
- Taxpayer request: the company must proactively apply with evidence (the foreign adjustment decision, arm’s length analysis).
Procedure in Vietnam
File a written corresponding-adjustment request with the tax authority (foreign adjustment decision/minutes with legalisation/translation, analysis evidencing arm’s length, related returns and documents). The authority reviews, may exchange information with the foreign authority for verification, then issues the downward adjustment (refund or offset). Realistic processing takes time given international coordination.
Corresponding adjustment vs MAP — which route?
- Corresponding adjustment: faster, simpler — fits where the foreign adjustment is clearly arm’s length and both countries agree on method;
- MAP: needed where the countries disagree on the adjustment’s correctness (as in EXP-2088: the other side refuses relief) — then negotiate.
Smart strategy: request corresponding adjustment first (simple, cheap); if refused or partial, move to MAP within treaty deadlines.
FAQs
Foreign upward adjustment — must Vietnam adjust down?
No — it’s Vietnam’s right (not duty), conditioned on the foreign adjustment being arm’s length. Not the “automatic” relief many expect.
Any time limits?
Yes — tied to treaty deadlines and domestic tax limitation periods. File as soon as possible after the foreign adjustment decision; delay risks losing refund/offset rights.
How is overpaid tax handled after downward adjustment?
Under tax administration law, overpayments are refunded or offset against other tax debts — the taxpayer chooses during procedures.
No tax treaty with the other country?
No treaty means no treaty-based corresponding adjustment. Only informal bilateral outreach or accepting double taxation remain — why structuring through non-treaty countries is inherently high-risk.
Frequently Asked Questions
Must Vietnam adjust down?
No — Vietnam’s right, not duty, conditioned on the foreign adjustment being arm’s length.
Time limits?
Yes — treaty deadlines and domestic limitation periods; file promptly.
Overpaid tax after adjustment?
Refunded or offset against other tax debts at taxpayer’s choice.
No treaty?
No treaty-based mechanism; informal outreach or accept double taxation.
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This legal analysis has been verified against current Vietnamese regulations and cross-border FDI transaction practices by the attorneys at FLAT LAW FIRM.
