By Lawyer Nguyen Nhu Hai – UniLaw LLC

TAX ATTORNEY FIRM – ROLES, SERVICES, AND HOW TO CHOOSE

Navigating the complex landscape of taxation in Vietnam requires not only a deep understanding of ever-changing regulations but also the foresight to manage hidden risks during major business transitions. Whether you are a foreign investor entering the market or a local enterprise undergoing restructuring, the guidance of a professional tax attorney is indispensable. This analysis explores the vital roles, specialized services, and critical selection criteria for a tax law firm, beginning with a real-world legal dispute that illustrates the high stakes of tax compliance in corporate transactions.

Real-World Dispute: Hidden Tax Liabilities and the Perils of Share Transfers

In a significant commercial dispute involving share transfers and inherited tax obligations, a case emerged regarding Company V1 and a former shareholder, Mrs. T. In early 2018, Mrs. T and other shareholders transferred their entire stake in Company V1 to new investors, including Mr. H1 and Mr. D. Shortly after the takeover, in October 2018, the Tax Department issued a notification confirming that Company V1 owed tax arrears and penalties totaling over 1.17 billion VND for the period between 2013 and 2015.

The core of the conflict was a dispute over who should bear this financial burden. Mrs. T argued that she had been “pressured” by the new shareholders to lend the company 702,171,673 VND to pay these debts. She subsequently sued Company V1, demanding the repayment of this “loan” plus interest. Company V1 filed a counterclaim, asserting that the tax debt was a personal obligation of the former shareholders who managed the company during the 2013-2015 period. They pointed to the original share transfer agreement, which stated that Mrs. T must fulfill tax obligations and financial liabilities related to her shares before the transfer was completed.

The Court’s analysis focused on the contractual agreements made between the parties during the various stages of the company’s ownership. The 2015 transfer agreement between the original founders and Mrs. T explicitly stated that the “Sellers” (the founders) were responsible for debts and taxes arising before January 1, 2016. However, when Mrs. T transferred her shares in 2018, she agreed to be liable for the financial obligations and taxes associated with her shares up to the point of transfer. Furthermore, a meeting minute from September 2018 recorded that the old shareholders (including Mrs. T) agreed to contribute funds corresponding to their previous shareholding percentages to settle the tax debt.

Ultimately, the Court of First Instance and the Appellate Court both ruled against Mrs. T’s claim for reimbursement. The Court determined that the money she provided to the company was not a “loan” in the traditional sense but rather the fulfillment of her pre-agreed responsibility to settle tax arrears incurred during her tenure as a shareholder and manager. The claim for interest was also rejected, and Company V1 was not required to repay the funds. This case serves as a stark reminder that without comprehensive tax due diligence and clearly drafted indemnity clauses in transfer agreements, former owners can remain liable for substantial tax debts long after they have exited a company.

The Essential Role of a Tax Attorney in Vietnamese Business Operations

As demonstrated by the case above, tax attorneys do more than just file returns; they act as strategic protectors of a client’s financial interests. In Vietnam, tax law is characterized by high complexity and frequent updates, making the role of a specialized firm critical for several reasons.

1. Transactional Due Diligence: A tax attorney’s primary role during M&A or share transfers is to uncover “skeletons in the closet,” such as the 2013-2015 tax arrears found in the Company V1 case. They review internal accounting books, tax finalization reports, and correspondence with tax authorities to ensure the buyer is not inheriting undisclosed liabilities.

2. Structural Advisory: When a foreign investor, such as a Japanese or Korean entity, enters Vietnam, they must choose between a Representative Office, a Branch, or a 100% Foreign-Owned Enterprise. Each has vastly different tax implications regarding profit repatriation and direct revenue generation. A tax attorney helps structure the investment to optimize tax efficiency from day one.

3. Dispute Resolution and Litigation: If a business is audited and hit with an administrative penalty—such as the 425 million VND fine for incorrect VAT declarations and CIT hạch toán (accounting) errors seen in other disputes—a tax attorney represents the client in explaining the technical grounds to the tax office or challenging the decision in court.

Comprehensive Taxation Services Offered by Law Firms

A leading tax law firm like Unilaw provides a full spectrum of services that cover the entire lifecycle of a business in Vietnam. These services are designed to ensure that clients meet their “Hoàn thành nghĩa vụ nộp thuế” (Completion of tax payment obligations) as defined by law.

Tax Registration and Initial Setup

New businesses must obtain a “Mã số thuế” (Tax Identification Number – TIN) shortly after being granted their Investment Registration Certificate (IRC) and Enterprise Registration Certificate (ERC).

Article 30, Law on Tax Administration 2019:

“1. Taxpayers must perform tax registration and be granted tax identification numbers by tax authorities before starting production and business activities or having obligations to the State budget.”

Interpretation: This law requires every business to officially sign up with the government and get a unique ID number for tax purposes before they can legally start making money or doing business in Vietnam.

Law firms assist in preparing “Mẫu số 01-ĐK-TCT” (Tax registration form) and ensuring that the registered business lines match the actual operations to avoid future complications with invoice issuance.

Foreign Contractor Tax (FCT) Advisory

For multinational corporations like Jaguar or Huawei that provide services to their Vietnamese subsidiaries or clients, the Foreign Contractor Tax is a major consideration. This tax applies to income earned by foreign entities from providing services in Vietnam, regardless of whether they have a physical office in the country.

Clause 5, Article 3, Decree 218/2013/ND-CP (as amended):

“Taxable income arising in Vietnam of foreign enterprises… is income received from activities such as providing services, lending capital, or royalties… regardless of the location where the business is conducted.”

Interpretation: Even if a foreign company doesn’t have a building in Vietnam, if they earn money by providing services or lending money to someone in Vietnam, that money is usually subject to Vietnamese tax.

Attorneys help calculate the appropriate FCT rates for “Giao dịch liên kết” (Related-party transactions) and advise on the application of Double Taxation Avoidance Agreements (DTAAs) to prevent clients from being taxed twice on the same income.

VAT and Corporate Income Tax Compliance

Ongoing compliance includes monthly or quarterly Value Added Tax (VAT) declarations and annual Corporate Income Tax (CIT) finalizations. For export-oriented businesses or software companies, identifying “Đối tượng không chịu thuế” (Non-taxable objects) or applying for the 0% VAT rate for exported services is crucial for cash flow.

Article 9, Law on VAT 2024:

“1. The 0% tax rate applies to the following goods and services: a) Exported goods… b) Exported services…”

Interpretation: This rule allows businesses that sell goods or services to foreign countries to pay zero percent tax on those sales, which is a major incentive to encourage exports.

A tax law firm ensures that the “Hợp đồng vận chuyển” (Transport contracts) and “Chứng từ thanh toán không dùng tiền mặt” (Non-cash payment documents) are in place to satisfy the strict conditions for the 0% rate.

Tax Finalization for Dissolution or Office Closure

When a company decides to “Giải thể” (Dissolve) or close a Representative Office, such as the cases handled for Hyweb or CDS Limited, a mandatory tax finalization (Quyết toán thuế) must be performed.

Clause 1, Article 12, Decree 91/2014/ND-CP:

“Tax finalization is the determination of the tax amount payable for the tax year or the period from the beginning of the tax year to the time the enterprise is divided, consolidated, merged, transformed, dissolved, or terminates its operation.”

Interpretation: Whenever a business closes down or changes its legal structure significantly, it must calculate and pay all its remaining taxes up to that exact moment to satisfy the government’s requirements.

Attorneys assist in sorting through “Sổ quỹ tiền mặt” (Cash books) and “Sổ phụ ngân hàng” (Bank statements) to prepare for the final inspection by the tax authorities.

Specialized Services: Tax Agents and Auditing Collaboration

Vietnamese law makes a distinction between general legal advice and the specific business of being a “Đại lý thuế” (Tax Agent). A tax attorney firm often employs “Nhân viên đại lý thuế” (Tax agent staff) who hold specialized certificates issued by the General Department of Taxation.

Article 104, Law on Tax Administration 2019:

“Services provided by tax agents to taxpayers under contracts include: a) Procedures for tax registration, declaration, payment, finalization, and making dossiers for tax exemption, reduction, or refund… b) Tax consulting services; c) Accounting services for micro-enterprises.”

Interpretation: Tax agents are officially authorized to take over the daily tax paperwork for a company, such as signing tax forms and representing the business in regular dealings with the tax office.

In cases of dissolution, tax authorities may even “đặt hàng” (order) or use the results of independent audit firms to speed up the tax finalization process. A tax law firm acts as the bridge between the client, the auditors, and the tax office to ensure that findings are legally sound and that the client’s “Bảo mật thông tin” (Information confidentiality) is maintained.

Optimizing Benefits: Tax Incentives and Priority Status

One of the most high-value services provided by tax attorneys is helping businesses qualify for “Chế độ ưu tiên” (Priority status) or “Ưu đãi thuế” (Tax incentives). High-tech companies, R&D projects, and large-scale manufacturing investments in Hưng Yên or Hải Phòng often qualify for significant tax holidays.

Article 42, Law on Customs (as amended):

“Enterprises are recognized to apply the priority regime when they fully meet the following conditions: a) Compliance with customs and tax laws for 02 consecutive years; b) Annual export and import turnover reaching the prescribed level; c) Implementation of electronic customs and tax procedures…”

Interpretation: Companies that have a clean legal record for two years and a large volume of trade can get “VIP treatment,” which means fewer inspections and faster processing of their goods at the border.

Attorneys guide clients through the application for these regimes, which includes demonstrating a robust “Hệ thống kiểm soát nội bộ” (Internal control system) and passing audits of their accounting and auditing compliance. For software producers, tax attorneys help prove that their activities qualify as “Sản xuất phần mềm” to enjoy a 0% VAT rate and 10% CIT for 15 years.

Navigating Tax Inspections and Administrative Penalties

Tax authorities in Vietnam use “Quản lý rủi ro” (Risk management) to select which companies to audit. Factors that increase a company’s risk score include frequent changes in business registration, suspicious bank transactions, or inconsistent profit reports.

Article 110, Law on Tax Administration 2019:

“Tax inspection at the taxpayer’s headquarters is carried out in the following cases… d) When there are signs of violation of the law; dd) Cases selected according to plans or themes…”

Interpretation: The tax office can come to your place of business to check your records if they suspect you’ve broken the law or if you happen to be on their regular list of businesses to be checked that year.

If an inspection leads to a “Quyết định xử phạt vi phạm hành chính” (Decision on administrative penalty), the tax law firm evaluates the legality of the “Truy thu thuế” (Tax arrears collection). For instance, in one dispute, a court found that an administrative tax penalty of over 425 million VND was the company’s liability, not a specific manager’s, because the errors were in the company’s general accounting and VAT declarations over several years. A tax attorney ensures that the penalty is proportional and based on a correct interpretation of the “Bản chất hoạt động, giao dịch” (Nature of the activity and transaction).

How to Choose the Right Tax Attorney Firm

Selecting a partner to manage your tax affairs is a decision that impacts your company’s survival. Here are the criteria based on the standards of the legal profession in Vietnam:

1. Technical Certification and Licensing: Ensure the firm is registered with the Department of Justice and that its staff are certified “Nhân viên đại lý thuế”. Check if they have specific experience with “Thủ tục hải quan điện tử” if your business involves significant import/export.

2. Expertise in International Commitments: For foreign investors, the firm must understand Vietnam’s “Cam kết cụ thể về dịch vụ” (Specific commitments on services) under the WTO. This is essential for advising on “Hạn chế sở hữu của nhà đầu tư nước ngoài” (Foreign ownership limits) and market access timelines.

3. Experience with “Giám sát trọng điểm” (Key Supervision): Choose a firm that understands the tax office’s risk assessment criteria. A firm that can help you maintain a “High Compliance” (Tuân thủ cao) rating can save you from invasive and disruptive audits.

4. Comprehensive Legal-Tax Integration: The best tax attorneys do not look at tax in a vacuum. They understand how tax ties into “Luật Doanh nghiệp” (Enterprise Law), “Luật Đầu tư” (Investment Law), and “Luật Lao động” (Labor Law). This holistic approach is vital for issues like “Chuyển nhượng vốn góp” (Capital transfer) where tax, corporate approvals, and investment licenses must all be handled simultaneously.

5. Strategic “Biện pháp khẩn cấp” (Emergency Measures): In severe disputes, tax authorities or courts may apply measures like “Phong tỏa tài khoản” (Freezing accounts) or “Tạm hoãn xuất cảnh” (Temporary exit ban) for legal representatives of companies with large tax debts. You need a firm that can act immediately to negotiate payment plans or provide guarantees to lift these restrictions.

Conclusion

Taxation in Vietnam is a high-stakes environment where a single accounting oversight or a poorly worded contract can lead to years of litigation and millions in penalties. As seen in the case of Mrs. T and Company V1, the transition of business ownership does not automatically erase past tax liabilities; it only complicates the question of who pays. A professional tax attorney firm provides the dual benefit of technical compliance and strategic defense, ensuring that your business not only pays what it owes but also captures every legal incentive and protection available under the law. When choosing your legal partner, prioritize those with verified tax agent status, deep M&A experience, and a proven track record of resolving disputes with the Vietnamese tax and customs authorities.