2026-06-12 / 4 min read / proforma invoice / commercial invoice / customs evidence

Proforma and Commercial Invoice Differences

By Trado Asia editorial desk · Published 2026-06-12 · Updated 2026-07-18

The final commercial invoice should not quietly rewrite what the buyer approved in the proforma invoice.

What to check in the order file

The proforma invoice helps the buyer approve an order and send payment. The commercial invoice travels into the shipment and customs file. When those two documents differ, the buyer needs a reason that fits the order record, not a casual explanation from sales.

Compare the supplier name, beneficiary reference, item description, quantity, unit price, currency, freight term, and total value. Some differences are normal because the final shipment quantity changed or freight was added. Other differences need attention, especially vague descriptions, lower declared values, or a different seller name.

Ask the supplier to explain each material difference before the broker receives the final invoice. The answer should say whether the PO changed, whether the payment record changed, and whether the customs value or product description changed. If the supplier says the new wording is only for clearance, slow down.

Keep both documents in the order file. A broker, auditor, or finance manager may later ask why the invoice used for entry does not match the document used for payment approval. The buyer should be able to answer from the file without rebuilding the story from email.

The final commercial invoice should not quietly rewrite what the buyer approved in the proforma invoice. Another member of the team should be able to verify the answer from the file before the next transfer of funds. Record the outcome with the proforma commercial differences evidence before handoff.

Open the approved PI, beneficiary details, bank confirmation, payment receipt, and PO version together. Mark the first changed field and retain the earlier version beside the record the order owner plans to use. The comparison should show who supplied the revision, when it arrived, and which order step depends on it. The next reviewer should find the answer under commercial invoice without reopening the whole case.

Make the decision before the next handoff

Familiar commercial explanations can hide a real mismatch. Ask which company, document, quantity, model, payment, or shipment the answer covers, and record when the answer applies only to this order. Name this point in the customs evidence closeout rather than leaving it in chat.

Assign the file to finance and the buyer who approved the commercial terms. The owner does not need every chat message, but does need the final file, supplier answer, buyer decision, and next checkpoint. The proforma invoice file should show how this point was resolved.

The unresolved risk is that money may move against a different company, amount, currency, or document version. State whether the exception covers one shipment, one payment, one model, or the wider supplier relationship. A one-order decision should not silently become standing decision. Use the proforma commercial differences record to show who accepted the result and on what date.

Use the checklist as a closing test: compare seller names and addresses, match unit price, quantity, currency, and value, check product descriptions for vague rewrites, and ask for written reasons before entry filing. Record who completed each step and retain the evidence beside the document it supports instead of leaving a general note that the vendor was checked. Put that result in the customs evidence note for the current PO.

Give the exception an end point, such as receipt of a corrected document, payment confirmation, inspection, broker acceptance, warehouse receipt, or claim settlement. Keep the supporting file beside the proforma invoice entry in the order folder.

Public guidance can frame the proforma invoice check, but it cannot establish the facts of this order. The importer's PO, invoice, beneficiary record, packing list, product evidence, broker reply, and shipment file remain the deciding records. State the remaining limit in the commercial invoice note before the file is closed.

Close the record for the next order

If the issue returns, begin with the prior note. It should show which file to request first and which assumption caused the earlier delay. Put that result in the proforma commercial differences note for the current PO.

Keep the revision path visible. The folder should show which version was rejected, which version controls, and whether anyone outside sourcing still holds an obsolete copy. Carry the result into the proforma invoice instruction used by the next team.

Record one of three outcomes: approve, approve with a stated condition, or hold. Name the evidence supporting that outcome and the event that would force the order owner to reconsider it. Attach the evidence to the commercial invoice version that now controls the order.

Send the controlling document to every team that will act on it. Approval is incomplete when finance, logistics, the warehouse, or the broker continues from an older version. Make this result visible in the customs evidence decision record.

When the same exception affects several orders, add the field to the supplier baseline. Repeated problems belong in onboarding, PO wording, inspection scope, payment approval, or broker instructions. Name this point in the proforma commercial differences closeout rather than leaving it in chat.