How to Investigate Mismatches Between Import Declarations, Contracts and Payments

When import declarations, purchase contracts and bank payment records do not match, a business should not rush to amend one document in isolation. It should first establish whether the difference results from a data-entry issue, a change in commercial terms, a change in delivery arrangements or a change in payment arrangements.

A practical approach is to review contracts, orders, invoices, shipping documents, declaration records and payment evidence as parts of the same transaction trail. The business should also retain the commercial basis for every change.

These issues often arise in fast-moving cross-border procurement, projects where head office and local teams have separate responsibilities, or situations where a supplier makes late changes to pricing, quantities, payment accounts or delivery arrangements. A discrepancy does not necessarily indicate a problem. However, if the business cannot explain when the difference arose, why it occurred, who was responsible and which documents support it, this may increase the effort involved in customs clearance, payment review, internal audit and later compliance discussions.

First, identify which trail contains the discrepancy

Rather than attempting to revise all documents at once, separate the issue into three related trails:

Trail	Main documents to review	Common forms of discrepancy	First question to ask
Commercial transaction trail	Contract, purchase order, quotation, addendum, invoice	Different unit price, quantity, currency, Incoterms or payee	Did the contract permit this adjustment? Is there a written record of the change?
Goods movement trail	Packing list, bill of lading or airway bill, arrival record, inspection or goods-receipt record, import declaration materials	Different product description, specification, quantity, packaging, shipper or arrival date	Do the goods actually shipped and the goods declared relate to the same order?
Payment trail	Payment request, bank payment instruction, payment confirmation, bank statement, internal approval records	Different payment amount, payment date, beneficiary account, paying entity or payment purpose	Which contractual obligation and which shipment does this payment relate to?

The first step is to establish whether these documents refer to the same transaction, rather than deciding which document appears to be “most correct.” For example, a payment amount that differs from a single import invoice may reflect an advance payment, balance payment, consolidated payment, partial delivery, freight charges or another agreed cost arrangement. It may also result from an incorrect document reference. The business needs a complete record to distinguish between these situations.

Create a transaction reconciliation sheet

For resolving inconsistencies, one of the most useful internal tools is a transaction reconciliation sheet. Each import shipment should be assigned an internal transaction reference that links procurement, shipping, declaration and payment records.

The sheet does not need to be complex. It should allow the team to answer quickly: “What goods does this payment relate to?”, “Which contract supports this shipment?” and “Which documents were used as the basis for the declaration?”

It should include at least the following fields:

• Internal transaction reference and project name;
• Supplier name, shipper name and actual beneficiary name;
• Contract number, purchase order number and applicable addenda;
• Product description, specifications, quantity, unit price and currency;
• Invoice number, packing list number and transport document number;
• Import declaration reference details and declaration date;
• Payment request reference, payment date, payment amount, payment currency and payment purpose;
• Description of discrepancies, supporting documents, internal approver and outstanding actions.

The objective is not to make every amount mechanically identical. It is to ensure that every difference has a traceable explanation. For example, where one payment covers several invoices, the relevant invoice references should be listed in both the payment request and the reconciliation sheet. Where a contract price has changed, the business should retain change documents confirmed by both parties and ensure that later documents refer to the same transaction basis.

Investigate facts before making corrections

Once a discrepancy is identified, the business can proceed in the following order. This helps prevent different teams from giving inconsistent explanations to suppliers, freight forwarders or banks.

1. Pause unverified amendments and supplementary submissions

Appoint one internal person to collect documents and record what has already been submitted to which authority, service provider or counterparty. Before making any payment, replacing documents or submitting explanations that have not yet been actioned, first assess the potential impact.

Existing contract, shipping, declaration and banking records should not be addressed by backdating, recreating documents with altered dates or deleting original records.

2. Reconstruct the transaction timeline

Prepare a chronological record of order confirmation, contract signing, production or goods preparation, shipment, arrival, declaration, receipt of goods, payment request and actual payment.

A timeline can help identify whether the difference arose before shipment, after shipment or after payment. It can also help determine whether a commercial change was not communicated to the local team.

3. Distinguish between data errors and transaction changes

Data errors may include an incorrect reference number, an incorrect currency label, duplicate invoice references or inconsistent quantity units. Transaction changes may involve price revisions, split deliveries, replacement of the beneficiary account, payment collection by an affiliated party, changes to the contracting entity or changes in payment terms.

For data errors, the usual task is to check the original documents and correct the reference links. For transaction changes, the business should identify the commercial basis existing at the time of the change, the approval record and evidence of confirmation by both parties. If sufficient supporting documents cannot be obtained, the business should not create an explanation in place of the facts.

4. Assign a document owner for each discrepancy

The procurement team should be responsible for contracts and supplier communications. The logistics team or freight-forwarding coordinator should manage shipping and declaration materials. The finance team should manage payment requests and bank records. The project lead should confirm the actual business background.

Where specialist judgement is required, the business should consult appropriately licensed legal, tax, audit, customs or banking professionals. It should also confirm with the relevant authorities, declaration service providers and its account-holding bank what explanations and document formats they require.

Common breakpoints that are easily overlooked

During a review, businesses should pay particular attention to the following situations:

1. The supplier name is the same, but the beneficiary account is different. Review the contract terms, the supplier’s formal notice, evidence of account ownership and whether internal payment approvals are complete.
2. The contract amount differs from the invoice amount. Check whether there are discounts, additional charges, split invoicing, price adjustments or currency conversion arrangements, and confirm how the documents refer to each other.
3. The declared goods differ from the purchasing description. Check whether differences in product name, model number, packaging unit or quantity result from commercial naming, transport descriptions or split shipments.
4. Payment occurs long before or after the import declaration. Look for support in the payment terms, advance-payment arrangement, credit period, partial delivery structure and internal payment process, rather than drawing conclusions from dates alone.
5. Head office signs the contract, the local company imports the goods and a third party makes payment. This structure requires the roles of each party in the transaction, import, payment and receipt process to be clearly defined in advance and traceable through the documents.

Turn the review process into an ongoing control

The most effective control is usually not a corrective exercise after goods arrive. It is the introduction of document review points before an order is placed and before payment is made.

Businesses can require procurement, logistics and finance teams to use the same internal transaction reference. Key fields can then be checked at the first payment stage, before shipment and before declaration materials are submitted. Changes to the supplier’s beneficiary account, contracting entity, pricing or quantity can be made subject to internal escalation and confirmation.

Businesses that import regularly should also conduct periodic sample reviews of completed transactions. They should check whether payments can be linked to contracts and invoices, whether declaration records can be linked to shipping and goods-receipt records, and whether discrepancy explanations have been properly filed. This can reveal information gaps between teams early, rather than only when supporting explanations are requested for a particular shipment or payment.

MMD Business Support can assist businesses in organising cross-functional document checklists, establishing transaction reconciliation sheets, coordinating local resources and managing communication points. Professional matters relating to company registration, customs declarations, legal, tax, audit and banking matters should be addressed by appropriately qualified professional institutions based on the actual transaction documents.

This content is provided for general information only and does not constitute legal, tax or immigration advice. Specific requirements should be confirmed with the relevant Sri Lankan authorities and engaged licensed professional institutions based on their latest guidance.