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Foreign Contractor Tax on Consulting Services from China: Is It Due

7 min readFLAT LAW FIRM
Biểu mẫu khai thuế cùng máy tính và giấy ghi chú nhắc thời hạn

A Vietnamese enterprise hires a Chinese company for consulting — design, supervision, management or technical consulting — then remits service fees abroad. The accountant's first question, and the tax authority's too: was foreign contractor tax withheld?

This article answers in detail: do consulting services from China attract FCT, how is it calculated, and when does the double tax treaty exempt it.

Contents

1. Context: cross-border Vietnam–China consulting

In China-linked projects — factories built by Chinese EPC contractors, production lines imported from China, projects owned by Chinese investors — Chinese consulting services appear constantly: design consulting, construction supervision, installation and technology transfer consulting, operations management consulting.

The common pattern: the service provider is a foreign organisation with no commercial presence in Vietnam, the contract is signed cross-border, payment remitted abroad in foreign currency. This model raises the FCT question.

2. What FCT is and when it arises

Foreign Contractor Tax (FCT) applies to foreign organisations and individuals doing business in Vietnam or earning Vietnam-sourced income. Circular 103/2014/TT-BTC was repealed from 1/7/2026 (Article 99 of Circular 89/2026/TT-BTC); declarations are now made under Article 30 of Circular 89/2026/TT-BTC, with tax bases determined under current VAT and CIT law.

FCT comprises two taxes: value-added tax (VAT) and corporate income tax (CIT), withheld, declared and paid by the Vietnamese party on the foreign contractor's behalf.

FCT covers foreign organisations and individuals supplying services, or services attached to goods, in Vietnam — provided the income arises in Vietnam. The key point: FCT taxes Vietnam-sourced income regardless of whether the contractor has a physical presence in Vietnam.

3. Do consulting services from China attract FCT

The short answer: yes, in principle — unless exempted under the double tax treaty.

Consulting services provided by a Chinese company to a Vietnamese party, serving activities in Vietnam (projects, factories, business operations in Vietnam), generate Vietnam-sourced income and attract FCT (Circular 103/2014/TT-BTC repealed from 1/7/2026; tax bases now under current VAT and CIT law).

The exception needing careful analysis: services performed and consumed entirely outside Vietnam — e.g., a Chinese company conducting market research in China with results unrelated to Vietnamese operations. Then there's a basis to argue no Vietnam-sourced income. But if the deliverables serve a Vietnamese project (factory design in Vietnam, management consulting for a Vietnamese company), the tax authority's view is that income arises in Vietnam.

Tax audits show authorities apply a broad reading: services serving Vietnamese operations suffice for FCT. Enterprises shouldn't self-conclude "not taxable" without solid legal analysis.

4. Calculating FCT on consulting services

When the Vietnamese party withholds under the deemed (percentage-of-turnover) method — the most common for foreign contractors not applying Vietnamese accounting:

VAT: 5% on deemed VAT turnover. Deemed turnover is the full service fee the foreign contractor is entitled to, before deducting payable taxes.

CIT: 5% on deemed CIT turnover for services. Deemed CIT turnover is likewise the contractor's full entitled revenue.

Illustration: a consulting contract worth VND 1 billion (excluding FCT, net terms). Withholding VAT = 1 billion × 5% = VND 50 million. Withholding CIT = 1 billion × 5% = VND 50 million. Total FCT = VND 100 million, withheld by the Vietnamese party before paying the Chinese contractor.

Critical contract point: clarify whether the price is "gross" (tax-inclusive, contractor bears) or "net" (tax-exclusive, Vietnamese party bears extra). This directly affects deemed-turnover conversion (net-to-gross) and the Vietnamese party's real total cost. Many disputes arise because contracts are silent on this point: the Chinese contractor quotes a net fee expecting full receipt, while the Vietnamese party assumes the quoted price already covers taxes. Spell out the tax clause explicitly — who bears FCT, how net prices convert to gross deemed turnover, and which party handles treaty-relief documentation — before signing, not at the first payment.

5. Applying the Vietnam–China double tax treaty

Vietnam and China have a double taxation avoidance agreement. For consulting services, the key provision is Article 7 (business profits): an enterprise's profits are taxable only in its home state unless it has a permanent establishment in the other state.

In practice:

  • If the Chinese consulting company has no permanent establishment in Vietnam (no office, branch, no personnel performing services in Vietnam beyond treaty time thresholds), service income may be exempt from Vietnamese CIT under the treaty.
  • VAT is not exempted by the treaty — double tax treaties cover income taxes only, not VAT. The Vietnamese party must still withhold and pay 5% VAT.

Relief is not automatic: to obtain treaty exemption/reduction of CIT, the foreign contractor (via the Vietnamese withholding party) must complete treaty-relief notification procedures under Article 78 of Circular 89/2026/TT-BTC, with a dossier comprising: the request for treaty relief in form 01/HTQT (Appendix III); the residence certificate with consular legalization; a certified copy of the contract; and a power of attorney (if any) — filed together with the tax declaration dossier of the first declaration period with the tax authority directly managing the Vietnamese party (or where the foreign contractor registers to pay tax). No procedure, no relief — the tax authority collects in full.

A commonly missed point: even when CIT is treaty-exempt, the Vietnamese party must still file complete declarations — filing doesn't mean no paperwork.

6. The Vietnamese party's withholding obligations

The Vietnamese party contracting with the foreign contractor is the withholding agent, with these duties:

  1. Register for contractor tax with its directly managing tax office when a foreign-contractor contract arises.
  2. Withhold tax before each payment to the foreign contractor.
  3. Declare per occurrence (or monthly for frequent transactions) and pay on time.
  4. Issue withholding certificates to the foreign contractor for their accounting and home-country use — Chinese contractors often need these to document taxes paid abroad.
  5. Keep treaty dossiers if claiming treaty relief.

Consequences of non-compliance: tax recovery, daily late-payment penalties, administrative tax sanctions; the related service costs may also be disallowed as CIT-deductible expenses — a double loss.

7. Detailed Q&A

Does foreign contractor tax apply to consulting services from China? Yes, in principle. Consulting services provided by foreign organisations or individuals (including Chinese) to a Vietnamese party, consumed in Vietnam, attract foreign contractor tax — unless exempted under the Vietnam–China double taxation avoidance agreement. (Circular 103/2014/TT-BTC was repealed from 1/7/2026; declaration procedures are now under Article 30 of Circular 89/2026/TT-BTC.)

What are the FCT rates for consulting services? 5% VAT and 5% corporate income tax on deemed turnover (percentage-of-turnover method when the Vietnamese party withholds) — the service rates under current tax law (CIT rate: Article 12(3) of Decree 320/2025/ND-CP; declaration procedure: Article 30 of Circular 89/2026/TT-BTC).

Must the Vietnamese party withhold and pay FCT? Yes. The Vietnamese party contracting with the foreign contractor must withhold, declare and pay VAT and CIT on the foreign contractor's behalf before remitting payment, under Article 30 of Circular 89/2026/TT-BTC (replacing Circular 103/2014/TT-BTC, repealed from 1/7/2026).

Does the Vietnam–China double tax treaty exempt FCT? The treaty can exempt CIT on business profits where the Chinese contractor has no permanent establishment in Vietnam (Article 7). But treaty relief requires notification procedures (Article 78 of Circular 89/2026/TT-BTC); VAT remains payable.

Do consulting services performed entirely in China attract FCT? If services are provided and consumed entirely outside Vietnam, with no Vietnam-sourced income, FCT should not apply. But if the deliverables serve a Vietnamese project, the tax authority may treat the income as arising in Vietnam.

What are the penalties for not paying FCT? The Vietnamese withholding party faces tax recovery, late-payment penalties and administrative sanctions. The related service costs may also be disallowed as deductible expenses for CIT purposes.

8. When to work with counsel and tax advisers

FCT on cross-border services sits at the intersection of contract law and tax law — and mistakes usually surface only at tax audit, when it's too late. Engage tax/legal counsel when: (1) drafting tax clauses in contracts with Chinese contractors (gross/net, treaty-documentation duties); (2) assessing double tax treaty applicability; (3) preparing treaty-relief dossiers under Article 78 of Circular 89/2026/TT-BTC; (4) explaining service nature and income source to the tax authority. FLAT Law Firm advises on tax from a legal perspective for FDI enterprises, especially China-linked transactions.