An amendment isn't a quick fix. It's a round trip through two banks, a buyer, and a seller — each with their own timeline and their own fee schedule. What feels like a minor change on your end can take two weeks and cost several hundred dollars by the time it's processed.
And yet, amendments are often the right call. The alternative — shipping against an LC you can't comply with — is worse.
What triggers an amendment
The most common reason is time. The production run takes longer than expected, the vessel is delayed, the factory can't meet the original shipment date. The LC's latest shipment date in Field 44C isn't going to work, and the expiry date in Field 31D might need extending too.
After that, it's changes to the goods. The buyer and seller agree to substitute a product specification, adjust the quantity, or switch packaging. The LC was issued based on the original sales contract, and now reality has diverged.
Port changes come up regularly. A shipping line consolidates routes and stops calling at the port specified in the LC. The goods need to ship from a different port, which means Fields 44A and 44B no longer match.
Less common but more complicated: changes to document requirements. The buyer's bank adds a condition that the beneficiary can't meet, or the LC requires a document from a third party who won't issue it in the format specified. These amendments often involve negotiation, not just a date change.
How the process works
The seller identifies the need for an amendment and contacts the buyer. The buyer instructs the issuing bank to issue the amendment. The issuing bank sends the amendment to the advising bank. The advising bank forwards it to the seller. The seller reviews it and either accepts or rejects.
Every step takes time. The buyer might agree immediately or might take a week. The issuing bank processes the amendment — another few days. SWIFT messages travel quickly, but banks have queues. The advising bank notifies the seller, who checks that the amendment says what they expected it to say.
Here's the part most people don't realise: the amendment isn't effective until the beneficiary accepts it. UCP 600 Article 10(a) is clear — an irrevocable credit can't be amended without the agreement of all parties, including the beneficiary. In practice, most beneficiaries accept because they requested the amendment in the first place. But you should always check the amendment wording carefully before accepting. Banks sometimes alter what was requested, add conditions, or change things the buyer didn't intend.
If you don't explicitly accept or reject, the amendment remains pending. Under Article 10(d), if you present documents that comply with the amended terms, you're deemed to have accepted. If you present documents that comply with the original terms, you've effectively rejected the amendment. This ambiguity causes confusion more often than it should.
What it costs
Both banks charge fees. The issuing bank charges the applicant for processing the amendment. The advising bank charges the beneficiary for advising it. If the amendment increases the LC amount, additional issuance fees may apply based on the uplift.
A straightforward date extension might cost $100–$200 at each bank. An amendment that changes the amount, adds documents, or alters conditions will cost more. If multiple amendments are needed across a single LC — and it happens — the fees accumulate.
Beyond the bank charges, there's the cost of time. A shipment held in the warehouse waiting for an amendment to be processed is burning storage fees. A production line that's paused because the LC terms don't match the revised specs is costing labour and overhead. The bank fees are the visible cost; the operational disruption is the expensive part.
When to request an amendment
Early. Always early.
The moment you realise you can't comply with a term in the LC, start the amendment process. Don't wait to see if things improve. Don't hope the bank won't notice. Don't assume the buyer will waive the discrepancy after the fact.
An amendment requested two weeks before shipment is a minor inconvenience. The same amendment requested two days before shipment — or worse, after shipment — is a crisis. The buyer knows you're under pressure, the bank knows you're under pressure, and your negotiating position has collapsed.
The best practice is even simpler: review the LC thoroughly the day you receive it. Compare every field against your sales contract and your operational reality. Can you meet the shipment date? Can you ship from the specified port? Can you provide every document listed in Field 46A? Can you comply with every condition in Field 47A?
If the answer to any of these is no, request the amendment before you start manufacturing. The cost of an early amendment is a bank fee and a few days. The cost of a late amendment is a bank fee, a delay, and the slow erosion of trust with everyone involved.
The amendment you should have requested but didn't
Most discrepancies at presentation are, in hindsight, amendments that should have been requested earlier. The shipment date that was always going to be tight. The goods description that didn't quite match what you planned to ship. The document requirement that you knew would be difficult to obtain.
The pattern is always the same: someone noticed the problem early, decided it wasn't worth the hassle of an amendment, and bet on it working out. Sometimes it does. More often, it becomes a discrepancy at presentation — the same problem, but now with less time, less leverage, and bank fees on top.
If it looks like it might need an amendment, it needs an amendment.
David Berney is the founder of SmartLC, a trade finance platform for managing the Letter of Credit lifecycle. He builds software for the people who actually prepare, check, and present trade documents.