Preparing Transaction Evidence Before Your First Import: Responding to Customs Valuation Queries

Your cargo has arrived at the port, and your customs broker tells you that Customs wants further information about the declared value. At that point, asking an overseas supplier for a missing contract, locating payment records, or explaining the reason for a discount can easily delay clearance.

Before your first import, the practical goal is not to “prove that Customs will accept the price”. It is to prepare an evidence pack that shows the transaction is genuine, the pricing has a commercial basis, and the documents tell a consistent story. Complete documents cannot guarantee that Customs will not raise valuation questions. They do, however, give you records to check and submit instead of forcing your team to assemble explanations at the last minute.

A common misunderstanding is that a commercial invoice is enough as long as its amount matches the customs declaration. In practice, the invoice is only one part of the price evidence. When reviewing a transaction, Customs or your customs service provider may also look at the relationship between buyer and seller, contractual terms, payment route, Incoterms, freight and insurance, discounts, and any additional charges. If procurement, finance, logistics and the overseas supplier each hold different records without a controlled version, repeated document requests become much more likely.

Be able to explain where the declared value comes from

You should be able to explain in one clear sentence what the declared value for a shipment is based on, what it includes, and what it excludes.

Your internal records should allow you to identify, for example:

• who is selling the goods and who is buying them;
• the models, specifications and quantities being purchased;
• how the unit price was agreed: a long-term price list, one-off quotation, framework agreement, or project-specific negotiation;
• the Incoterm applicable to the invoice value;
• which party bears freight, insurance, packaging, commission, tooling, technical service or other costs;
• whether there are discounts, rebates, samples, free-of-charge goods, replacement parts, related-party arrangements, or later payment obligations;
• whether payment has been completed, partly completed, or is due later under the agreed terms.

The point is not to make the commercial arrangement sound complicated. It is to avoid having every document describe a different deal. If the contract refers to one pricing basis, the invoice uses another Incoterm, and the payment amount differs again, it becomes difficult for a broker to present a coherent explanation on your behalf.

Build a transaction evidence pack

Before the goods are shipped, it is sensible for the procurement lead or project owner to create a shared electronic folder and assign one internal owner to maintain the current version. The following documents are commonly worth collecting in advance.

1. Documents showing how the transaction was formed

These records help show that the price was commercially agreed rather than entered later for customs purposes.

• Signed purchase contracts, sales contracts, or order confirmations;
• Supplier quotations, requests for quotation, or quotation correspondence;
• Purchase orders and evidence that the supplier accepted them;
• Product catalogues, specifications, model lists and configuration descriptions;
• Where relevant, price lists, framework agreements, or project quotation schedules;
• Discount approvals, promotion notices, or written confirmations between the parties where discounts apply.

If the price is materially lower than your historical purchase price for similar goods, a published catalogue price, or the supplier’s normal quotation, keep the commercial evidence for the change. It may relate to volume purchasing, clearance of old stock, a product version change, warranty replacement, long-term customer pricing, or a bundled project sale. Do not wait for a query before asking the supplier to create an explanatory document after the fact. Such records may still be useful, but documents created during the transaction are generally more persuasive.

2. Documents linking the goods to the invoice

This group of documents helps demonstrate that the amount paid relates to the goods being imported.

• Commercial invoice;
• Packing list;
• Bill of lading, air waybill, or other transport document;
• Origin, product conformity, inspection, or permit-related documents, where required for the goods or project;
• Equipment serial numbers, model cross-reference lists, or batch lists;
• Supplier shipping advice.

Check that product descriptions, model numbers, quantities, currency, unit prices, total values, invoice references and consignee details are consistent. Take particular care with machinery, spare parts, kits and free-of-charge goods. A contract may price an item as one complete system while the packing list breaks it into multiple components. Or an invoice may show free goods at zero value without an explanation in the shipping and declaration records. These differences do not necessarily indicate a problem, but they should be explained in advance.

3. Payment and funds-flow documents

Payment records are often underestimated. In reality, whether the payment amount, paying party and payment date align with the transaction documents can directly affect how difficult it is to explain the declared value.

Keep records such as:

• Payment requests and internal approval records;
• Bank payment instructions, remittance confirmations, or bank notices;
• Supplier confirmation of receipt;
• Documents for instalment payments, advance payments, balances, or letters of credit;
• Authorisations, payment-on-behalf arrangements, or cost-bearing explanations where a related company, parent company or third party pays;
• Supporting records for payment differences caused by bank charges, exchange-rate movements, deductions, or credit notes.

An unpaid invoice does not automatically prevent an import. But you should be able to explain the agreed payment terms and the actual payment status. Do not simply record “no proof of payment” where payment has not yet been made. Keep the relevant contract terms, credit period, payment schedule and any payment records already available.

4. Freight, insurance and other price-component documents

Freight and related costs are often where the document trail breaks down during discussions about import value. Procurement may only have the goods price, logistics may arrange freight separately, and finance may only see a total payment. In the end, nobody can explain the full cost structure.

Collect and review in advance:

• Freight quotations and invoices from freight forwarders or carriers;
• Insurance policies, premium notices, or written records of an arrangement not to insure;
• Documents for packaging, handling, storage, inspection, or other additional services;
• Written agreement on which party bears each cost under the applicable Incoterm;
• Where the supplier quotes freight as part of a combined price, an explanation of the relationship between the goods price and transport service.

You do not need to make your own customs valuation determination. You should, however, ensure that your appointed customs broker or professional adviser can see the complete cost chain. They can then assess which costs need to be addressed in the declaration documents and which issues should be clarified with the relevant authority in advance.

Related-party transactions are not prohibited, but need earlier preparation

Intra-group purchasing, parent-company price negotiations and payment by affiliated companies are common in cross-border business. The real concern is not the existence of a related-party relationship itself. It is whether the documents can explain how the price was determined.

If the import involves related parties, prepare the following before the first shipment:

• An explanation of the relationship between the parties and each party’s role;
• The pricing method, internal pricing policy, or price approval route;
• Comparable information from independent supplier quotations, previous purchase prices, or market information, where available;
• Documents for related-party payment, centralised procurement, shared services, or later cost allocation;
• Materials showing differences in product configuration, delivery scope and after-sales obligations.

Do not omit a related-party relationship simply to make the transaction appear simpler, or put different types of charges into one goods-payment amount. If an explanation is later required, mixing purchase price, service fees, technical support fees and royalty arrangements can increase the cost and time needed to respond. Where related-party transactions, continuing service fees or intellectual property arrangements are involved, explain the full transaction structure early to your appointed tax, legal and customs professionals.

Do not send your broker an unstructured set of PDFs

Your customs broker needs information that can support the declaration and any response to queries, not a collection of attachments with no context. For a first import, provide a one-page transaction summary alongside the documents so the broker can understand the shipment quickly.

Item	Information to provide
Importing party	Who is the importer, who is paying, and whether group payment is involved
Supplier relationship	Independent supplier or related party; if related, the nature of the relationship
Goods	Product name, model, use, quantity, and whether goods are a kit or free-of-charge item
Price basis	How the contract, order, quotation and invoice correspond to each other
Incoterm	The Incoterm used in the contract and invoice, and the cost allocation
Payment status	Paid, partly paid, subject to a credit period, or another arrangement
Price differences	Discounts, rebates, samples, replacement goods, promotions, or special project pricing
Additional charges	Who bears freight, insurance, packaging and other costs
Matters to confirm early	Declaration and document requirements to be reviewed by the customs broker and appointed professionals

This summary does not replace formal documents. It helps you, the broker, finance team and supplier work from the same facts. Update it when circumstances change—for example, where the supplier issues a replacement invoice, freight becomes payable by the buyer, or the payment party changes.

Four issues that often lead to repeated questions

The contract, invoice and payment amounts do not match

Different amounts do not automatically mean there is a problem, but there must be a reason and supporting evidence. Common reasons include advance payments, partial shipments, bank charges, discounts, credit notes, exchange-rate differences or separately invoiced service fees. Prepare a reconciliation table rather than relying on a verbal explanation.

The goods description is too general

Descriptions such as “equipment”, “parts” or “samples” may not be enough for internal verification. Use model, specification and purpose descriptions that align with the contract, product catalogue and packing list. For complete equipment systems, a component list can make it easier to explain the relationship between the total price and separately shipped components.

The price explanation relies only on a supplier’s verbal response

An email from a supplier’s sales contact may help, but it does not replace contracts, quotations, payment records and logistics documents. Keep original records created during the transaction wherever possible, and check that the entity issuing each document is the same entity involved in the transaction.

Documents are spread across departments when the cargo reaches port

Procurement holds the contract, finance holds payment records, logistics holds the bill of lading, and the project team knows why a discount was granted. This is one of the most common coordination problems for first-time importers. A short meeting before shipment to identify document owners, final versions and exceptions is usually far more effective than chasing documents after arrival.

Include valuation records in your wider first-import clearance preparation

Transaction evidence is only one part of preparing for a first import. You should also review goods classification, permit or restriction requirements, importer details, transport arrangements, and funding for duties and taxes with your customs broker. For the process of checking declarations, taxes and release status after appointing a broker, refer to the published guide, After Appointing a Customs Broker: How to Check Import Declarations, Taxes and Cargo Release Status. If differences have already appeared between the contract, payment and declared amount, refer to When Import Declarations, Contracts and Payments Do Not Match: How to Build an Internal Review Process.

The more reliable approach is to give your transaction evidence pack to the appointed customs broker and appropriately qualified professional advisers before the first shipment leaves. Proactively explain any related-party relationship, discount, payment-on-behalf arrangement, instalment payment or additional service arrangement. They may not be able to predict every query, but they can help identify missing information, clarify who is responsible for providing documents, and raise questions that should be confirmed with the relevant authority early.

This content is provided for general information only and does not constitute legal, tax or immigration advice. Specific requirements should be confirmed with the latest guidance from the relevant Sri Lankan authorities and appointed licensed professionals.