Commercial Letter of Credit: How It Works for Import and Export Transactions

Commercial Letter of Credit: How It Works for Import and Export Transactions
Wed, 10/22/2025 - 14:00
Commercial Letter of Credit - How It Works for Import and Export Transactions

 

When you buy goods from overseas suppliers or sell products to international customers, payment security can feel like a huge worry. Commercial letters of credit play an important role in facilitating international trade transactions by building trust between businesses and clients. A commercial letter of credit is a legal document from a bank that guarantees payment to the seller if the buyer meets specific conditions.

This tool protects both sides in international trade deals by ensuring that payment is guaranteed, reducing risks for businesses and clients. It can help your business avoid costly payment disputes and those annoying shipping delays.

If you use commercial letters of credit the right way, you can protect your company’s interests, benefit your clients, and make smarter decisions in the global market by ensuring secure payments and reducing risk for all parties involved.

Understanding Commercial Letters of Credit

Commercial letters of credit act as bank-issued guarantees that protect both buyers and sellers. As a financial instrument, a commercial letter of credit helps reduce risk in international transactions by guaranteeing payment and fostering trust between trading parties.

They provide payment security and help manage cash flow risks for companies doing business across borders, while also helping both parties manage credit risk in each transaction.

Definition and Purpose

A commercial letter of credit is a bank-issued document that promises the seller will get paid if they meet the agreed conditions. A commercial letter of credit, also known as a documentary credit, is commonly used in the international sale of goods. The bank steps in and pays the seller once the right documents are delivered.

This helps sellers avoid non-payment risks. At the same time, buyers only pay when sellers meet those strict conditions. The purchase price is paid by the issuing bank to the seller upon presentation of evidence, such as shipping documents, that the goods have been shipped.

Commercial letters of credit facilitate payments between parties in trade. The seller receives payment from the issuing bank once the buyer’s payment obligations are met and all required documents are provided. They’re especially handy when the buyer and seller don’t know each other well.

The letter of credit acts like an escrow agent, holding the promise of money until everyone does what they promised. Documentary credits are widely used to facilitate purchases in international trade.

Parties Involved in a Commercial Letter of Credit

Four main parties get involved in these transactions. Each plays a different role, and understanding each one helps things go smoother.

Applicant (Buyer): You, as the buyer and account holder, ask your bank to issue the letter of credit. You pay any fees and might need to provide some sort of collateral or have a line of credit. After the bank checks things over, you get your goods once all the paperwork checks out.

Beneficiary (Seller): The seller gets payment protection. They must provide all the required documents to get paid. They ship the goods as the letter of credit specifies. The seller can receive payment through their own bank, which may also act as the seller's bank in the transaction.

Issuing Bank: This is the buyer’s bank. It issues the letter of credit on behalf of the buyer and checks the buyer’s credit before agreeing. When the seller hands over the right documents, the bank pays the seller.

Advising Bank: The advising bank tells the seller about the letter of credit. It ensures the letter of credit is approved and authentic before notifying the seller. Sometimes it acts as a confirming bank too. It handles the paperwork where the seller is based.

Comparison to Standby Letters of Credit

People often mix up commercial letters of credit with standby letters of credit, but they’re not the same.

Commercial Letters of Credit:You use these as the main payment method for buying and selling goods. They’re common in international business. Sellers expect to show documents to get paid.

Standby Letters of Credit:These act as a backup. If the buyer doesn’t pay or something goes wrong, only then does the standby letter kick in. They’re more like insurance, covering contracts or loans if someone fails to pay.

Both commercial and standby letters of credit provide assurances to the other party in the transaction, ensuring that payment and performance obligations are met.

If you’re buying goods, you’ll usually use a commercial letter of credit. If you need a safety net for a contract, the standby letter of credit is the go-to.

Key Benefits and Drawbacks

Commercial letters of credit come with a mix of pros and cons. You’ll want to weigh these before jumping in.

Benefits:

  • Payment Security: The seller knows they’ll get paid if they follow the rules.
  • Cash Flow Management: Sellers get payment assurance. Buyers don’t have to pay up front.
  • Risk Reduction: Less chance of not getting paid, especially when dealing with companies far away.
  • Trade Facilitation: Makes it possible to do business with people you’ve never met.
  • Timely Payment: Letters of credit help ensure timely payment for goods and services, reducing delays and building trust between parties.

Drawbacks:

  • Cost: Banks charge for issuing and handling these documents.
  • Complexity: You have to get the paperwork exactly right.
  • Time Delays: Processing all those documents can slow things down.
  • Working Capital Impact: Buyers sometimes need to put up collateral or have a credit line.
  • Error Risk: Any error in documentation can lead to delays or even non-payment.

International deals can get even pricier and more complicated. Still, the peace of mind around payment often makes it worth it.

Creative women working on project

How Commercial Letters of Credit Work in Trade Transactions

Commercial letters of credit function as secure payment methods through a process involving banks, buyers, and sellers. They are widely used in international transactions to facilitate secure business transactions by providing payment guarantees and reducing risk for both exporters and importers. You’ll need to gather specific documents and pick the right payment options. There are different types to fit different business needs, and these instruments are provided by financial institutions as part of trade financing and international banking services.

Step-by-Step Process Overview

The letter of credit process begins when you and your trading partner agree on terms. As the buyer, you submit a request to your bank for a letter of credit.

Your bank checks your credit and the details of the deal. If everything looks good, the bank issues the letter of credit and sends it to the seller’s bank.

The seller hears from their bank that the letter of credit is approved and ready. Now they can ship the goods, knowing they’ll get paid if they follow the rules.

After shipping, the seller gathers all the required documents and brings them to their bank. These documents have to match exactly what the letter of credit says.

The advising bank checks the paperwork and then sends it to your bank. Your bank reviews everything, and the issuing bank makes the payment to the seller once the documents are approved.

Your bank then takes the money from your account or extends credit to cover the payment. At this point, you own the goods.

Example: A company in the US wants to buy electronics from a supplier in Germany. The US buyer submits a request for a letter of credit to their bank. Once the letter is approved and issued, the German supplier ships the goods and provides the required documents. The issuing bank makes the payment to the supplier after confirming the documents are correct, ensuring both parties are protected.

Role of Sales Agreements and Documentation

The sales agreement is where everything starts. It needs to say that a letter of credit will be the payment method.

You have to spell out exactly what documents are needed. Common ones include commercial invoices, bills of lading, packing lists, and inspection certificates.

Key documentation requirements:

  • Invoice amounts must match the letter of credit exactly.
  • Shipping dates can’t go past the expiration date.
  • Product descriptions need to be word-for-word the same.
  • All signatures and stamps should be real and clear.
  • The seller must provide evidence of shipment, such as a bill of lading, to receive payment.

Banks can reject documents for even tiny mistakes. It’s smart to work closely with your seller so all the paperwork lines up with the agreement.

Payment Methods and Settlement

Letters of credit give you a few ways to time your payments. A sight letter of credit means the seller gets paid right away when they show the right documents.

Time drafts let you delay payment, usually 30, 60, or 90 days after the paperwork is handed in. This helps you manage your cash flow, especially for bigger deals.

Settlement process options:

  • Direct payment into the seller’s bank account
  • Payment through partner banks in different countries
  • Currency exchange if you’re dealing with different money
  • Wire transfers or electronic funds transfer (Wire transfers are a common method for cross-border payments, but compared to letters of credit, they offer less security and flexibility for both buyers and sellers.)

Your bank or financial partner handles the payment and any currency issues. Expect to pay for the letter of credit, any changes you need, and the handling of documents.

Types of Commercial Letters of Credit

An irrevocable letter of credit locks in the terms unless everyone involved agrees to a change. Sellers usually feel safer with this option because it makes payments more predictable.

Revocable letters of credit let you change or cancel terms pretty much at will. Sellers don’t like them much since they can’t count on the payment happening.

A revolving letter of credit covers multiple shipments over a set period. The credit limit refreshes after each payment, so buyers and sellers can keep trading without opening a new credit each time.

There are various types of commercial letters of credit, including export letters and those designed for specific scenarios, such as working with a new supplier or trading outside the normal trading area or country.

You’ll find a few more specialized types out there. Some of them come up more often in complicated or high-stakes deals.

Type

Description

Best Used For

Transferable

Seller can transfer rights to suppliers

Multi-party transactions

Confirmed

Second bank guarantees payment

High-risk countries

Unconfirmed        

Only issuing bank guarantees payment        

Stable trading relationships

 

Export letters of credit are especially useful for exporters in international trade, providing financial guarantees that help facilitate cross-border transactions.

Transferable letters of credit let sellers pass some or all of their payment rights to other suppliers. This helps when several companies need to get paid from the same deal.

Confirmed letters of credit add another bank’s guarantee on top of the first. Buyers and sellers often want this extra backup if they’re working in places where banks might be shaky or rules change without much warning.

Unconfirmed letters of credit rely on just the issuing bank’s word. People usually use these in countries where the banks have a solid reputation and trade feels steady.

A commercial letter of credit can be especially helpful when dealing with a new supplier, particularly if the buyer does not have enough credit history or is located outside the supplier’s normal trading area or country. In these cases, the letter of credit provides assurance to the supplier, even if the buyer’s credit history is limited or unknown.

Commercial letters of credit provide security for both the buyer and the seller by mitigating credit history concerns and ensuring payment terms are met.

Two successful business partners signing financial documents in hotel lounge

Conclusion: The Role of Commercial Letter of Credit in Global Trade

A commercial letter of credit is a powerful tool that helps businesses manage risk, build trust, and secure payments in international trade. By involving banks as trusted intermediaries, both buyers and sellers gain peace of mind knowing that transactions will be honored once agreed conditions are met. This reduces the chances of disputes, delays, or non-payment issues that often arise in cross-border trade.

From understanding the definition and purpose, to exploring the parties involved, benefits, drawbacks, and step-by-step process, we see how commercial letters of credit streamline global transactions. Whether through sight payments, time drafts, or specialized options like transferable or confirmed credits, they provide flexible solutions for businesses of all sizes. Ultimately, they serve as a safeguard that strengthens international business relationships and ensures smoother trade flows.

 

Why Choose SUISSE BANK for Your Trade Finance Needs

At Suisse Bank, we specialize in providing world-class trade finance solutions that protect your business and enable you to grow with confidence in global markets. With our expertise in documentary and standby letters of credit, bank guarantees, and proof of funds, we help clients reduce risk, secure payments, and build stronger trading partnerships worldwide.

We combine innovation with tradition, offering an All-in-One Wallet and seamless digital banking services, while ensuring discretion, professionalism, and reliability. If you want to get standby or documentary letters of credit for your business, we invite you to become our client today and experience the advantages of working with one of the top trade finance banks.

Become our client and secure your international trade transactions with SUISSE BANK.