How does HMRC challenge transfer pricing?

HMRC challenges transfer pricing through enquiries, arguing that the transfer price is not at arm's length, the method is inappropriate, the comparables are incorrect, or the documentation is inadequate. HMRC can adjust the UK company's profits to reflect the arm's length price. HMRC challenges transfer pricing through corporation tax enquiries and reviews. The main grounds for challenge: (1) Not at arm's length — HMRC argues that the transfer price for a transaction between connected parties is not at arm's length (i.e., it is not the price that independent parties would agree). For example, HMRC may argue that a UK company is overpaying its overseas parent for goods or services, reducing the UK profits. (2) Wrong method — HMRC argues that the transfer pricing method used is not the most appropriate. For example, if the company uses the Transactional Net Margin Method (TNMM), HMRC may argue that the Comparable Uncontrolled Price (CUP) method would be more appropriate (if comparable data is available). (3) Incorrect comparables — HMRC argues that the comparable companies used in the transfer pricing analysis are not truly comparable. For example, the comparables may operate in different markets, have different functions, or have different risk profiles. (4) Inadequate documentation — HMRC argues that the transfer pricing documentation is inadequate (e.g., the master file or local file is not maintained, or the documentation is not contemporaneous). (5) Profit level indicators — HMRC argues that the profit level indicators (e.g., net margin, mark-up) used in the TNMM or cost plus method are not appropriate for the transaction. (6) Functional analysis — HMRC argues that the functional analysis (identifying the functions performed, assets used, and risks assumed by each party) is incorrect, affecting the profit allocation. If HMRC determines that the transfer pricing is not at arm's length, they can make a transfer pricing adjustment, increasing (or decreasing) the UK company's profits to reflect the arm's length price. The adjustment results in additional tax, plus interest and potential penalties. Relevant legislation: TIOPA 2010, Sections 147-148 (arm's length principle and adjustments); TIOPA 2010, Schedule 46 (transfer pricing documentation); OECD Transfer Pricing Guidelines. Example: A UK subsidiary purchases goods from its overseas parent company for £10 million. HMRC argues that the arm's length price is £8 million (based on comparable transactions with independent parties). HMRC adjusts the UK subsidiary's profits by £2 million (£10 million - £8 million), increasing its taxable profits. Additional tax: £500,000 (25% of £2 million), plus interest and potential penalties. Common mistake: Not maintaining adequate transfer pricing documentation. Without proper documentation (master file, local file, and comparables analysis), HMRC is more likely to challenge the transfer pricing position and impose penalties.

What is the Mutual Agreement Procedure (MAP)?

MAP is a treaty-based process that allows the competent authorities of two countries to negotiate a resolution to eliminate double taxation from transfer pricing adjustments. The company must request MAP within the treaty time limit (typically 3 years). MAP can take 1-2 years. The Mutual Agreement Procedure (MAP) is a process available under double taxation treaties that allows the competent authorities of two countries to negotiate a resolution to transfer pricing disputes (and other double taxation issues). How MAP works: (1) Double taxation — HMRC adjusts the UK company's profits (increasing UK tax). The other country may also adjust its profits on the same transaction (e.g., reducing the overseas company's costs, increasing overseas tax). The result is double taxation — the same profits are taxed in both countries. (2) MAP request — the company requests MAP through the competent authority of one of the countries (typically the country where it is resident). The request must be made within the time limit specified in the treaty (typically 3 years from the first notification of the action giving rise to double taxation). (3) Negotiation — the competent authorities of the two countries negotiate to reach an agreement that eliminates the double taxation. This may involve: (a) one country reducing its assessment, (b) the other country reducing its assessment, or (c) both countries making adjustments. (4) Resolution — if the competent authorities reach an agreement, the double taxation is eliminated. The company is informed of the agreement and the adjustments are made. (5) Timeline — MAP can take 1-2 years (or longer for complex cases). The OECD has encouraged countries to resolve MAP cases within 2 years. (6) Binding — the MAP agreement is binding on both countries and the company. (7) Tribunal — if the company has also appealed to the Tribunal, the MAP and Tribunal processes run in parallel. If MAP resolves the dispute, the Tribunal appeal may be withdrawn. MAP is an important tool for eliminating double taxation from transfer pricing adjustments, but it is not guaranteed — the competent authorities may not reach an agreement. Specialist advice is recommended for MAP cases. Relevant legislation: OECD Model Convention, Article 25 (mutual agreement procedure); specific UK bilateral treaties; TIOPA 2010 (transfer pricing rules); HMRC International Manual (MAP guidance). Example: HMRC adjusts a UK company's profits by £5 million, arguing that the transfer price for goods purchased from its US parent is not at arm's length. The US also adjusts the parent's profits on the same transaction. The company requests MAP. The UK and US competent authorities negotiate and agree that the arm's length price is £2 million higher than the original price (not £5 million). The UK reduces its assessment to £2 million, and the US makes a corresponding adjustment. The double taxation is eliminated. Common mistake: Not requesting MAP within the treaty time limit. The 3-year limit is strict, and missing it means the company cannot use MAP to eliminate double taxation.

What is an Advance Pricing Agreement (APA)?

An APA is a formal agreement between the company and HMRC (and potentially other tax authorities) that sets the transfer pricing method for future transactions. It provides certainty — if the company applies the agreed method, HMRC will not challenge the transfer pricing. APAs last 3-5 years. An Advance Pricing Agreement (APA) is a formal agreement between a company and one or more tax authorities that sets out the transfer pricing method for future intercompany transactions. The APA provides certainty — if the company applies the agreed method, the tax authority will not challenge the transfer pricing for the covered transactions. Types of APAs: (1) Unilateral APA — an agreement between the company and HMRC only. It covers the UK transfer pricing position but does not provide certainty in the other country. (2) Bilateral APA — an agreement between the company, HMRC, and one other tax authority. It provides certainty in both countries and eliminates the risk of double taxation. (3) Multilateral APA — an agreement between the company, HMRC, and multiple other tax authorities. It provides certainty across multiple countries. The APA process: (1) Pre-filing meeting — the company meets with HMRC to discuss the proposed APA and the transfer pricing method. (2) Application — the company submits a formal APA application, including the transfer pricing method, the comparables, the functional analysis, and the proposed term (typically 3-5 years). (3) Negotiation — HMRC reviews the application and negotiates with the company (and other tax authorities, for bilateral/multilateral APAs). (4) Agreement — if the parties reach an agreement, the APA is signed. The APA sets out the transfer pricing method, the covered transactions, the term, and the annual compliance requirements. (5) Annual compliance — the company must file an annual compliance report, demonstrating that it has applied the agreed method. (6) Renewal — at the end of the term, the APA can be renewed (with updated terms if necessary). APAs provide significant benefits: (a) certainty (no transfer pricing challenges for covered transactions), (b) reduced risk of double taxation (for bilateral/multilateral APAs), and (c) reduced compliance burden (the transfer pricing method is pre-agreed). However, the APA process can be lengthy (1-3 years) and resource-intensive. Specialist advice is recommended for APA applications. Relevant legislation: TIOPA 2010, Sections 205-218 (advance pricing agreements); HMRC International Manual (APA guidance); OECD Transfer Pricing Guidelines (APAs). Example: A multinational group with operations in the UK and the US applies for a bilateral APA for its intercompany management services. The APA sets the TNMM as the transfer pricing method, with a mark-up of 5% on costs. The APA covers 5 years. If the group applies the agreed method, neither HMRC nor the IRS will challenge the transfer pricing for the management services. The group files annual compliance reports, and the APA is renewed after 5 years. Common mistake: Assuming that an APA is only for large multinationals. While APAs are resource-intensive, they can be valuable for any company with significant intercompany transactions, providing certainty and reducing the risk of future disputes.

How do I defend my transfer pricing position?

Defend your transfer pricing position by: maintaining adequate documentation, using the most appropriate method, selecting correct comparables, performing a robust functional analysis, considering an APA for certainty, and seeking specialist transfer pricing advice. To defend a transfer pricing position against HMRC challenges: (1) Adequate documentation — maintain comprehensive transfer pricing documentation, including: (a) a master file (overview of the group's global business and transfer pricing policies), (b) a local file (details of the UK entity's intercompany transactions), (c) a comparables analysis (identifying and analysing comparable companies), and (d) a functional analysis (identifying the functions performed, assets used, and risks assumed by each party). The documentation must be contemporaneous (prepared at the time of the transaction) and available to HMRC on request. (2) Most appropriate method — use the transfer pricing method that is most appropriate for the transaction, based on the nature of the transaction, the functions performed, and the availability of comparable data. Do not default to the TNMM without considering whether another method (e.g., CUP, cost plus, resale price) would be more appropriate. (3) Correct comparables — select comparable companies that are truly comparable to the tested party. Consider the industry, the functions performed, the risks assumed, and the geographic market. Document the rationale for selecting and rejecting comparables. (4) Robust functional analysis — perform a thorough functional analysis that accurately identifies the functions, assets, and risks of each party. The functional analysis is the foundation of the transfer pricing position and affects the profit allocation. (5) Economic analysis — perform a robust economic analysis that supports the transfer pricing position. This may include benchmarking studies, industry analysis, and economic modelling. (6) Commercial rationale — document the commercial rationale for the intercompany transactions. HMRC is more likely to accept transactions that have a genuine commercial purpose (rather than being purely tax-driven). (7) Consider an APA — for high-value or complex transactions, consider an Advance Pricing Agreement (APA) to obtain certainty and pre-agree the transfer pricing method with HMRC. (8) Specialist advice — engage a specialist transfer pricing adviser to prepare and review the documentation, assess the method and comparables, and provide support during HMRC enquiries. By maintaining a robust transfer pricing position, the company can minimise the risk of HMRC challenges and defend against any challenges that do arise. Relevant legislation: TIOPA 2010, Sections 147-148 (arm's length principle); TIOPA 2010, Schedule 46 (documentation requirements); OECD Transfer Pricing Guidelines. Example: A UK company provides management services to its overseas parent. To defend its transfer pricing position, the company maintains: a master file (group overview), a local file (details of the management services), a comparables analysis (identifying comparable management service providers), a functional analysis (showing the functions, assets, and risks of the UK company), and a benchmarking study (showing that the 5% mark-up is at arm's length). If HMRC challenges the transfer pricing, the company can defend its position with the documentation and the analysis. Common mistake: Not preparing the transfer pricing documentation contemporaneously. Post-event documentation (prepared after HMRC has opened an enquiry) may be viewed as less reliable and may not adequately support the transfer pricing position.

What are the penalties for transfer pricing errors?

Penalties for transfer pricing errors can be up to 30% of the additional tax (careless) or 100% (deliberate and concealed). The penalty is reduced for disclosure and cooperation. Proper documentation can help mitigate penalties. Penalties for transfer pricing errors follow the standard behaviour-based penalty regime: (1) Careless — if the transfer pricing error was due to careless behaviour (the company did not take reasonable care), the penalty is 0-30% of the additional tax. (2) Deliberate — if the company deliberately understated its profits through transfer pricing, the penalty is 20-70% (prompted disclosure) or 20-100% (unprompted disclosure). (3) Deliberate and concealed — if the company deliberately understated its profits and took steps to conceal the understatement, the penalty is 35-100%. The penalty within the range is reduced for the quality of the disclosure (telling, helping, giving access). Special transfer pricing penalty considerations: (1) Documentation — the penalty can be higher if the company does not maintain adequate transfer pricing documentation (master file, local file). HMRC takes the view that inadequate documentation indicates a lack of reasonable care. (2) DPT — if the transfer pricing error also falls within the Diverted Profits Tax (DPT) provisions, the DPT rate (31%) may apply instead of the corporation tax rate (25%), and the DPT has its own penalty regime. (3) Interest — interest is charged on the additional tax from the original due date to the date of payment. (4) Double taxation — if the transfer pricing adjustment results in double taxation (both the UK and the other country tax the same profits), the company can request the Mutual Agreement Procedure (MAP) to eliminate the double taxation. However, the penalties and interest are not eliminated by MAP. To mitigate penalties, the company should: (a) maintain adequate transfer pricing documentation, (b) make a full and prompt disclosure if an error is identified, (c) cooperate with HMRC during the enquiry, and (d) seek specialist advice. Specialist transfer pricing advice is recommended for any company facing a transfer pricing enquiry. Relevant legislation: TIOPA 2010, Sections 147-148 (transfer pricing adjustments); FA 2007, Schedule 24 (penalty framework); Finance Act 2015, Part 3 (DPT — potential higher rate). Example: A UK company has a transfer pricing error resulting in £2 million of additional tax. The error was careless (inadequate documentation, no comparables analysis). The penalty is 20% of £2 million = £400,000. With a full disclosure and cooperation, the penalty may be reduced to 15% = £300,000. Interest is also charged on the £2 million from the original due date. If the error was deliberate, the penalty could be 50% = £1,000,000. Common mistake: Not maintaining adequate transfer pricing documentation. Inadequate documentation can result in higher penalties (indicating a lack of reasonable care) and makes it more difficult to defend the transfer pricing position during an HMRC enquiry.

Tax Disputes › Disputes

Transfer Pricing Disputes with HMRC

Transfer pricing disputes can involve significant tax adjustments. Understand how HMRC challenges transfer pricing, the mutual agreement procedure, advance pricing agreements, and how to defend your position.

Book a Consultation +44 (0) 800 211 8657

Transfer pricing disputes arise when HMRC challenges the arm's length nature of transactions between connected parties within a multinational group. HMRC can adjust the profits of the UK company to reflect the arm's length price, resulting in additional tax, interest, and penalties. Transfer pricing disputes are often complex and can involve significant amounts of tax. Understanding how HMRC challenges transfer pricing, the dispute resolution options (including the mutual agreement procedure and advance pricing agreements), and how to defend the transfer pricing position is essential for multinational groups.

How HMRC Challenges Transfer Pricing

HMRC challenges transfer pricing through enquiries and reviews. HMRC may argue that: (1) The transfer price is not at arm's length (e.g., the UK company is overpaying or undercharging a connected party). (2) The transfer pricing method is not appropriate (e.g., the TNMM is used when the CUP method would be more appropriate). (3) The comparables are not correct (e.g., the comparable companies are not truly comparable). (4) The documentation is inadequate (e.g., the master file or local file is not maintained). HMRC can adjust the UK company's profits to reflect the arm's length price.

The Dispute Process

The transfer pricing dispute process: (1) Enquiry — HMRC opens an enquiry into the UK company's corporation tax return. (2) Information requests — HMRC requests detailed information about the intercompany transactions, the transfer pricing method, and the comparables. (3) Discussion — HMRC discusses the findings with the company and may propose adjustments. (4) Closure — the enquiry is closed with a closure notice, which may include adjustments to the profits. (5) Appeal — the company can appeal the adjustments through the internal review and Tribunal appeal process. (6) Mutual Agreement Procedure (MAP) — if the adjustments result in double taxation, the company can request MAP under the relevant treaty.

Mutual Agreement Procedure (MAP)

If HMRC adjusts the UK company's profits, the other country may also adjust its profits (on the same transaction), resulting in double taxation. The Mutual Agreement Procedure (MAP) allows the competent authorities of the two countries to negotiate a resolution that eliminates the double taxation. The company must request MAP within the time limit specified in the treaty (typically 3 years from the first notification of the adjustment). MAP can take 1-2 years to resolve.

Advance Pricing Agreements (APAs)

An Advance Pricing Agreement (APA) is a formal agreement between the company and HMRC (and potentially other tax authorities) that sets the transfer pricing method for future transactions. An APA provides certainty — if the company applies the agreed method, HMRC will not challenge the transfer pricing. APAs can be unilateral (with HMRC only), bilateral (with HMRC and one other tax authority), or multilateral (with HMRC and multiple tax authorities). APAs typically last 3-5 years and can be renewed.

Key Points

What You Need to Know

HMRC can adjust UK profits if transfer pricing is not at arm's length
Disputes often involve the transfer pricing method, comparables, and documentation
The Mutual Agreement Procedure (MAP) can eliminate double taxation from transfer pricing adjustments
Advance Pricing Agreements (APAs) provide certainty on transfer pricing for future transactions
Transfer pricing disputes can involve significant tax, interest, and penalties

Expert Answers

Tax Disputes Frequently Asked Questions

Detailed answers with legislation references, practical examples and common pitfalls.

Explore More

All Tax Disputes Topics

HMRC Self-Assessment Enquiries Code of Practice 8 (COP8)Code of Practice 9 (COP9)HMRC Penalties Statutory Reviews of HMRC Decisions First-tier Tribunal (Tax Chamber)Alternative Dispute Resolution (ADR)Worldwide Disclosure Facility (WDF)HMRC Nudge Letters HMRC Offshore Disclosure Campaigns HMRC Discovery Assessments HMRC Information Notices Corporate Criminal Offence: Failure to Prevent Tax Facilitation VAT Disputes & Tribunals IR35 & Off-Payroll Working Disputes Transfer Pricing Disputes

Need Specialist Tax Disputes Advice?

Our tax advisers can help you navigate tax disputes with clear, practical advice tailored to your circumstances.

Book a Consultation Call +44 (0) 800 211 8657