Nohena Insights · Valuation
How to defend your related-party pricing to customs
To ensure customs accepts your related-party price, you must prove the relationship did not influence it, usually by showing it aligns with prices in comparable, unrelated transactions.
Nohena · 13 October 2026 · 9 min read

How to defend your related-party pricing to customs
To ensure customs accepts your related-party transaction value, you must prove the relationship did not influence the price, typically by demonstrating that the price aligns with comparable transactions with unrelated buyers or that it covers all costs plus a reasonable profit. This proof requires robust documentation and a clear, defensible pricing methodology.
Transactions between related entities, such as a parent company and its subsidiary, are a standard feature of international trade. However, this related-party pricing receives special scrutiny from customs authorities worldwide, including the Nigeria Customs Service (NCS). The core concern is that the relationship might have influenced the price, potentially lowering it to reduce the dutiable value and, consequently, the import duty and VAT payable. Understanding how to structure and document these transactions is essential for compliance and avoiding costly delays or valuation uplifts.
What defines a related-party transaction for customs?
For customs purposes, parties are considered related if one has control over the other or if both are under the common control of a third party, encompassing legal, financial, and operational influence. The World Trade Organization (WTO) Valuation Agreement, which forms the basis of Nigeria's customs valuation laws, provides a specific definition in Article 15. The relationship itself is not a problem; it is the potential influence on price that triggers examination.
The NCS will consider you related parties if, for example:
One of you is an officer or director in the other's business.
You are legally recognized partners in business.
There is an employer and employee relationship.
A third party directly or indirectly owns, controls, or holds 5% or more of the voting stock or shares of both of you.
One of you directly or indirectly controls the other.
Both of you are directly or indirectly controlled by a third person.
Together you directly or indirectly control a third person.
You are members of the same family.
The existence of any of these conditions means your declared transaction value may be subject to a formal inquiry by the NCS, often during the Pre-Arrival Assessment Report (PAAR) review process.
How related-party pricing can affect transaction value
Related-party pricing can lead customs to reject the declared transaction value if the relationship is found to have influenced the price, resulting in an uplift based on alternative valuation methods. The primary method for customs valuation, known as Method 1, is the transaction value, which is the price actually paid or payable for the goods when sold for export. For this method to be accepted in a related-party transaction, the importer must demonstrate that the price was not distorted by the relationship. If an officer has doubts, they can request further information.
If the importer cannot provide sufficient evidence, or if the evidence shows the price was indeed influenced, the NCS will set aside Method 1. They will then proceed sequentially through the other five valuation methods to determine the customs value:
Method 2: Transaction value of identical goods.
Method 3: Transaction value of similar goods.
Method 4: Deductive value method.
Method 5: Computed value method.
Method 6: Fall-back method.
Moving to these alternative methods often results in a higher customs value, leading to increased payments for import duty, the 7.5% VAT, the 0.5% ECOWAS Trade Liberalisation Scheme (ETLS) levy, and other ad-valorem charges. This makes the ability to defend your initial price critical.
Proving your related-party price is acceptable
Importers can prove their related-party price is acceptable by providing evidence that it closely approximates a pre-established test value or by demonstrating how the price was constructed to be at arm's length. The WTO Valuation Agreement provides two primary pathways for the importer to substantiate their price. The importer can choose which approach is most suitable for their circumstances.
1. The circumstances of sale test
This approach involves a comprehensive examination of how the price was determined. The goal is to prove that the seller and buyer, despite being related, operated as if they were not. This requires you to show that the price was settled in a manner consistent with the normal pricing practices of the industry or that the price is adequate to recover all costs plus a profit representative of the firm’s overall profit on sales of goods of the same class or kind. This is where a formal transfer pricing policy becomes invaluable, as it provides the framework and justification for the price build-up.
2. The test values method
This method is more direct. It involves comparing the declared transaction value to one of three specific values. If your price is a close approximation of any of these, it must be accepted. The test values are:
The transaction value of identical or similar goods sold to unrelated buyers in Nigeria at or about the same time.
The deductive value (Method 4) for identical or similar goods.
The computed value (Method 5) for identical or similar goods.
Using test values requires access to data that may not always be available to the importer, but when it is, it provides a very strong, quantitative defense of the declared price.
Essential documentation for related-party transactions
Essential documentation for related-party transactions includes a comprehensive transfer pricing policy, intercompany agreements, and detailed cost breakdowns that justify the declared price. While standard import documents like the Form M, commercial invoice, and Bill of Lading are always required, related-party shipments demand a higher level of proof. Preparing this documentation proactively is the best way to avoid delays and disputes during the PAAR and clearance process.
Consider preparing a documentation pack that includes:
Transfer pricing study: This is the most important document. It should explain the pricing methodology (e.g., Comparable Uncontrolled Price, Resale Price, Cost Plus) and provide an analysis to support it.
Intercompany agreements: Formal legal contracts that outline the terms of sale, responsibilities, and pricing arrangements between the related entities.
Price lists: If you sell to both related and unrelated customers, provide price lists that show consistency or justifiable differences (e.g., for volume).
Detailed cost breakdown: A statement from the manufacturer showing the build-up of the price, including raw materials, labor, overhead, research and development, and profit margin.
Proof of negotiation: Any correspondence, such as emails, that demonstrates the parties negotiated the price as if at arm's length.
Financial statements: Audited statements can help demonstrate that the profit margin on the related-party sale is consistent with the company's overall profitability.
The role of Article 8 additions in related-party pricing
Article 8 additions are specific costs the importer incurs that are not included in the price paid but form part of the customs value, and they must be declared accurately, especially in related-party transactions where they can be hidden or misallocated. These additions are adjustments made to the price paid or payable to arrive at the full transaction value. In related-party scenarios, these costs can be easily overlooked or intentionally separated from the goods' invoice price.
Key Article 8 additions to monitor include:
Assists: The value of goods or services provided by the importer to the foreign seller, either free of charge or at a reduced cost, for use in the production of the imported goods. This includes materials, tools, dies, moulds, and engineering or design work undertaken elsewhere than in the country of importation.
Royalties and license fees: Payments made by the importer for the right to use patents, trademarks, or copyrights related to the imported goods. These are often paid separately to the related parent company but must be added to the customs value if they are a condition of the sale.
Proceeds of any subsequent resale: If any part of the money earned from the resale, disposal, or use of the goods in Nigeria flows back to the foreign seller, that amount must be added to the customs value.
Failing to declare these additions correctly constitutes an undervaluation, which can lead to significant penalties, even if the base price itself was determined to be at arm's length.
Ultimately, navigating related-party valuation requires diligence and proactive preparation. By understanding the NCS's perspective and documenting your pricing methodology thoroughly, you can significantly improve the chances of a smooth clearance process. For more analysis on customs and trade compliance, you can explore further insights on our blog . Decision-support systems can help organize this evidence into a coherent narrative, preparing a lodgement-ready declaration and document pack that anticipates and answers customs' questions before they are asked. Nohena prepares a lodgement-ready declaration and document pack; the licensed agent lodges.
FAQ
What is the difference between transfer pricing for tax and customs valuation?
While both aim for an arm's length price, their objectives can conflict. Tax authorities are typically concerned with profit shifting to low-tax jurisdictions, which can happen through over-pricing imports or under-pricing exports. Customs authorities, conversely, are concerned with revenue loss from the under-pricing of imports. An importer may therefore face pressure from a tax authority to declare a higher price and from customs to justify that the price is not too low.
Can the NCS reject my transfer pricing study?
Yes, the NCS is not obligated to accept a transfer pricing study prepared for tax purposes. It can be rejected if it is deemed irrelevant to the specific import transaction, uses inappropriate comparables, is outdated, or is otherwise insufficient to prove that the relationship did not influence the price. The burden of proof always rests with the importer to defend their declared value.
What happens if my declared value is rejected?
If the NCS rejects your transaction value under Method 1, they will determine the customs value by proceeding to the next applicable method in the valuation hierarchy. This usually means using the transaction value of identical goods (Method 2) or similar goods (Method 3), which can often be sourced from a customs database and may result in a higher valuation and a corresponding increase in duties and taxes.
Are discounts allowed between related parties?
Yes, discounts are permissible as long as they can be justified as normal commercial practice and are shown to not be a result of the relationship. For example, a quantity discount is generally acceptable if the same level of discount would be offered to an unrelated buyer for purchasing a similar quantity. The basis for the discount must be clearly documented and defensible.