AI agents for business finance: what they can and can't do
What AI agents can do in bookkeeping, close, collections and compliance today, where a person must stay in charge, and how to judge a product.
The short answer
Nigeria Customs values imports first on transaction value, the price actually paid or payable for the goods, plus freight, insurance and certain other costs to the Nigerian port, under section 69 of the Nigeria Customs Service Act 2023 and the WTO-based ECOWAS rules. If an officer doubts your invoice, the service must give its reasons, let you respond, release the goods against a guarantee while the value is settled, and allow an appeal without penalty.
How Nigeria Customs arrives at a value
Nigeria applies the WTO Customs Valuation Agreement through the ECOWAS Common External Tariff (CET) valuation articles and the Nigeria Customs Service Act 2023 (NCSA). The service's own 2026 valuation guide sets out six methods, used strictly in order. You move to the next only when the one before cannot be applied.
- Transaction value (NCSA s.69): the price actually paid or payable, with the additions listed below. It applies unless the buyer is restricted in how they use the goods, the sale has a condition whose value cannot be measured, part of the resale proceeds goes back to the seller, or a relationship between buyer and seller affected the price.
- Identical goods (s.70): the value of identical goods exported at about the same time; where several exist, the lowest is used.
- Similar goods (s.71): the same approach for commercially interchangeable goods, again the lowest.
- Deductive value (s.72): working back from resale prices in Nigeria to unrelated buyers, less profit, expenses, inland transport, insurance, duties and taxes.
- Computed value (s.73): materials, production cost, usual profit and delivery costs. At the importer's request, methods 4 and 5 can be swapped.
- Fall-back (s.74): reasonable means consistent with the WTO rules, using data available in Nigeria.
For a US seller, the practical point is that a clean commercial invoice showing what the Nigerian buyer really paid is the strongest position you can give your customer. Most disputes start when the invoice is missing a cost that should have been added, or when the declared price looks low against what the officer has seen for the same goods.
What is added to the invoice price
The guide lists the additions that go into customs value when the buyer bore the cost, it is not already in the price, and it can be measured:
- transport to the Nigerian port, with loading, unloading and handling for that journey
- insurance
- commissions and brokerage, except buying commissions
- containers and packing, materials and labour
- "assists": moulds, tools, materials or design work the buyer supplied free or cheaply
- royalties and licence fees paid as a condition of the sale
- any part of resale proceeds that flows back to the seller
The result is broadly a CIF value. Foreign-currency amounts are converted at the official Central Bank of Nigeria rate that applies when the declaration is submitted (NCSA s.67), so the naira duty moves with the rate even when your dollar invoice does not.
What customs is not allowed to do
The guide is explicit about bases that cannot be used under any method, including the fall-back: minimum values, arbitrary or fictitious values, the higher of two possible values, the selling price in the exporting country's home market, the export price to a third country, and production cost outside the computed method. If an assessment reads like a fixed "benchmark" for a product regardless of what was paid, ask on what method and data it rests.
Related buyers and sellers
If you sell to a Nigerian company you own, or to family, the relationship alone does not let customs reject the invoice. Related parties are defined narrowly (directors of each other's businesses, employer and employee, 5% or more shareholding or control, common control, family members). The officer must examine the sale and accept the price if the relationship did not influence it, or if it closely matches a test value (NCSA s.69(6) to (9)). Keep evidence of how you price the same goods to unrelated buyers.
When the value is queried: your rights
The NCSA and CET give importers a set of safeguards that the guide restates:
- Reasons in writing
- If customs doubts a declared value it must state why, in writing on request, and give a reasonable chance to respond. The final decision and reasons are also in writing.
- Release against a guarantee
- Goods can be released while the value is decided if the importer provides a surety, deposit or other instrument covering the possible duty (NCSA s.75).
- Explanation of method
- On written request, customs must explain how the value was determined, including the method used (s.74(3)).
- Appeal without penalty
- The importer or anyone liable for duty may appeal, first within customs or to an independent body, with a final appeal to the courts (s.269(2)). The guide says you cannot be fined merely for challenging a valuation.
The guide does not set out time limits for queries or appeals, or describe debit notes. Your Nigerian buyer's licensed customs agent will know the current internal steps; ask them to put any query and response in writing.
How a US seller helps avoid a dispute
- Issue a full commercial invoice: buyer, seller, Incoterm, unit prices, quantities, currency, and separate lines for freight, insurance and packing if you charge them.
- Match the invoice to the Form M and pre-arrival documents your buyer filed. The guide notes that Form M, the PAAR and the goods declaration are lodged on the customs system; a mismatch is a common trigger. See how Form M works for your buyer.
- Declare royalties, licence fees or tooling you supplied, rather than leaving customs to discover them.
- Keep proof of payment that matches the invoice amount and date.
- If goods are discounted (end of line, damaged, volume deal), say so on the invoice and keep the correspondence.
Worked example (illustrative only)
Example: you sell machine parts for $20,000 ex-works Houston. Your buyer pays $1,800 freight and $200 insurance to Lagos and paid you a $1,000 royalty as a condition of the sale. Customs value is $20,000 + $1,800 + $200 + $1,000 = $23,000, converted at the CBN rate on the declaration date. If the invoice shows only $20,000 and the royalty is found later, the buyer faces a query on $3,000 of value they could have declared at the start. The duty rate itself depends on the HS code in the current tariff, which the guide says can be changed by presidential order, so check the current rate with the agent.
Where Pryme fits
Disputes are easier to answer when the payment trail matches the invoice. With a Pryme Business Account you can invoice and receive in USD or naira from the same account, and issue a verifiable receipt or statement through Pryme's partner VerifyDoc.ai that your buyer can hand to an agent and anyone can check is unaltered.
Questions people ask
Does Nigeria Customs use my invoice price for duty?
Yes, as the first method, if the sale meets the transaction-value conditions. Freight, insurance and certain other costs to the Nigerian port are added.
Can customs use a fixed benchmark price instead of my invoice?
Its 2026 guide says minimum values and arbitrary or fictitious values are prohibited bases. Ask in writing which method and data were used.
Can goods be released while a valuation dispute continues?
Yes. Under NCSA s.75 they can be released against a surety, deposit or other guarantee covering the possible duty.
What exchange rate does Nigeria Customs use for dollar invoices?
The official CBN rate applicable when the declaration is submitted. Check the current rate on the day; it is not fixed to your invoice date.
Sources
- Nigeria Customs Service: Nigeria Customs Valuation Guide 2026 · accessed Oct 2026
- DHL Nigeria: How to calculate import duties in Nigeria (25 Jun 2026) · accessed Oct 2026
This article is general information, not financial, legal or tax advice. Products described are provided under the terms on this site and are subject to regulation and eligibility.