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What Law Governs Letters Of Credit?

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Last updated on 8 min read
Financial Disclaimer: This article is for informational purposes only and does not constitute financial, tax, or legal advice. Consult a qualified financial advisor or tax professional for advice specific to your situation.

Letters of credit are primarily governed by the Uniform Customs and Practice for Documentary Credits (UCP 600), a globally recognized rulebook published by the International Chamber of Commerce (ICC), not by national or state laws.

Which regulation governs the operations of letter of credit?

The “Uniform Customs and Practice for Documentary Credits (UCP)” governs the operations of a letter of credit.

The UCP isn’t some obscure legal text gathering dust on a shelf. It’s a living, breathing set of 39 articles issued by the International Chamber of Commerce (ICC) that standardizes how letters of credit are issued, advised, presented, and honored. The current version, UCP 600, took effect on July 1, 2007, and has been adopted by banks and businesses in over 175 countries. In most cases, if you’re dealing with letters of credit today, UCP 600 is the default framework everyone uses.

What is RA in letter of credit?

RA stands for Reimbursement Authorization, an instruction issued by an issuing bank to a reimbursing bank to cover a claiming bank’s payment under a letter of credit.

Think of a Reimbursement Authorization as the bank’s version of a fast pass. It’s separate from the credit itself and typically comes into play when the reimbursing bank is in a different country from the issuing bank. The RA tells the reimbursing bank to reimburse the claiming bank immediately upon receipt of compliant documents, rather than making everyone wait for settlement from the issuing bank. (Honestly, this is one of those behind-the-scenes details that saves everyone a ton of headaches.)

Is UCP 600 a law?

No, UCP 600 is not a law—it is a private set of rules issued by the International Chamber of Commerce (ICC).

Here’s the thing: UCP 600 isn’t enacted by any legislature. It’s a private rulebook, and it only becomes legally binding when explicitly referenced in the text of the letter of credit. In practice, nearly all letters of credit issued today incorporate UCP 600 by name, making it the de facto standard. Without that reference, you’re operating in a legal gray area—something no one wants to risk in international trade.

What is a letter of credit law?

A letter of credit law is a legal framework that governs the rights and obligations of parties involved in a letter-of-credit transaction, often supplemented by the Uniform Commercial Code (UCC) Article 5 in U.S. jurisdictions.

In the United States, Article 5 of the Uniform Commercial Code (UCC) codifies many aspects of letter-of-credit law, including issuer liability, fraud exceptions, and the independence principle (the credit is separate from the underlying contract). Outside the U.S., local civil codes and trade laws work alongside UCP 600 to govern disputes. Now, this isn’t to say every country has identical rules—far from it. But the UCC and UCP 600 together provide the backbone for most letter-of-credit transactions globally.

What is the difference between letter of credit and bank guarantee?

A letter of credit is a payment instrument used in trade to guarantee payment to a seller upon presentation of compliant documents, while a bank guarantee is a broader promise to cover a debtor’s non-performance of a contractual obligation.

Letters of credit are like a safety net for sellers—they get paid as long as they ship the goods and present the right documents. Bank guarantees, on the other hand, are more like a general insurance policy. They can be called for any breach of contract, whether it’s failure to deliver goods or complete construction. A guarantee is usually a contingent liability, while a letter of credit is a conditional payment mechanism. (In most cases, if you’re dealing with international trade, letters of credit are the safer bet for both parties.)

What documents are required for a letter of credit?

The most common documents required under a letter of credit include the commercial invoice, bill of lading, insurance certificate, packing list, and certificate of origin.

Now, don’t assume these are the only documents you’ll need. Depending on the goods and destination, banks might ask for inspection certificates, beneficiary’s certificates, or health or phytosanitary certificates. Here’s the catch: banks strictly review each document against the letter of credit terms. Even minor discrepancies—like a mismatched date or a typo—can trigger rejection or delay payment. (Yes, it’s as frustrating as it sounds.)

How many types of letter of credit are there?

There are five commonly used types of letters of credit: irrevocable, revocable, confirmed, unconfirmed, and standby.

But wait, there’s more. Other specialized forms include transferable, back-to-back, red clause, and revolving letters of credit. Each type offers different levels of risk mitigation and flexibility. If you’re looking for security, irrevocable and confirmed letters of credit are the gold standard—they can’t be amended or canceled without the beneficiary’s consent. (That’s why most traders prefer them.)

What is the function of letter of credit?

The primary function of a letter of credit is to guarantee that a seller will receive payment from the buyer’s bank once compliant trade documents are presented.

This isn’t just about paperwork—it’s about trust. In international trade, parties are often unfamiliar with each other, and legal recourse is costly and slow. The letter of credit acts as a neutral intermediary, ensuring the seller gets paid and the buyer only pays when the goods are delivered as specified. (Frankly, this is one of the few things in trade finance that actually works smoothly.)

What are the benefits of letter of credit?

Letters of credit reduce the risk of non-payment, help sellers manage cash flow, and allow buyers to prove solvency while maintaining control over shipment and payment terms.

For sellers, the benefit is immediate: payment is guaranteed by a bank as long as documents are compliant. For buyers, it ensures goods are shipped before payment is released, protecting them from fraud or misrepresentation. Letters of credit are also widely accepted in cross-border trade, reducing the need for complex legal arrangements. (If you’re doing business internationally, this is the tool you want in your arsenal.)

What is ISP98 rule?

ISP98 is a set of international rules issued by the International Chamber of Commerce (ICC) that governs standby letters of credit and other independent undertakings.

Standby letters of credit are often used to secure financial or performance obligations, such as bid bonds, advance payment guarantees, or performance securities. ISP98 complements UCP 600 by providing specific provisions tailored to standby credits, making it the preferred rulebook in the United States and many other jurisdictions for these instruments. (Think of it as UCP 600’s cousin, specialized for standby credits.)

What is ISBP745?

ISBP745 (International Standard Banking Practice) is a guide issued by the International Chamber of Commerce (ICC) that clarifies how to interpret and apply UCP 600 rules to specific trade documents.

It doesn’t alter UCP 600, but it provides practical examples on issues like document descriptions, dates, and discrepancies. Banks and traders use ISBP745 to reduce interpretive disputes and ensure smoother letter-of-credit transactions. The latest version, ISBP 745, reflects updates aligned with UCP 600. (Honestly, this is the kind of document that saves everyone a ton of headaches.)

What UCP rules?

The UCP rules refer to the Uniform Customs and Practice for Documentary Credits (UCP 600), a globally accepted rulebook issued by the International Chamber of Commerce (ICC) that governs the use of letters of credit in international trade.

UCP 600 consists of 39 articles that define terms like “complying presentation,” “honour,” and “discrepancy,” and outline the rights and obligations of applicants, issuing banks, advising banks, and beneficiaries. It’s the most widely used rule set in trade finance, with adoption in over 175 countries. (If you’re not using UCP 600, you’re probably doing something wrong.)

How much does a letter of credit cost?

A letter of credit typically costs between 0.5% and 1.5% of the credit amount per year, depending on the issuing bank’s fee structure and the credit’s risk profile.

For example, a $500,000 irrevocable letter of credit with a 1% annual fee would cost $5,000 per year. Banks may also charge set-up fees ($100–$300), amendment fees ($50–$200), and reimbursement fees. Documentary credits tied to higher-risk transactions or longer tenors (e.g., 180+ days) often carry higher fees. (Yes, these costs add up—always factor them into your trade agreements.)

Can you sell a letter of credit?

Yes, a letter of credit can be sold or assigned to a third party—such as a supplier or lender—if the terms allow and the beneficiary endorses the transfer.

Transferable letters of credit are specifically designed for this purpose, enabling the original beneficiary (e.g., a manufacturer) to transfer all or part of the credit to a second beneficiary (e.g., a raw material supplier). Standby letters of credit can also be assigned, though their use as collateral may require bank consent. (This flexibility is one of the reasons letters of credit are so useful in trade.)

What is a letter of credit example?

A common example involves a U.S. importer buying $200,000 worth of electronics from a Korean exporter, securing a letter of credit from its bank to guarantee payment upon receipt of compliant shipping documents.

Here’s how it works: the U.S. importer’s bank issues a $200,000 irrevocable letter of credit naming the Korean exporter as beneficiary. The exporter ships the goods and presents a bill of lading, commercial invoice, and packing list to the Korean advising bank. If the documents comply with the credit terms, the Korean bank forwards them to the U.S. bank, which releases payment to the exporter and debits the importer’s account. (It’s a well-oiled machine—when everything goes right.)

Edited and fact-checked by the FixAnswer editorial team.
Ahmed Ali

Ahmed is a finance and business writer covering personal finance, investing, entrepreneurship, and career development.