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Letters of Credit Rules

Letters of Credit reduce payment and performance risk in trade. They work only when the terms are clear, the documents are correct, and the parties understand their obligations.

Risk Mitigation

A Letter of Credit is not a standard form. It must be written carefully. Each one is designed for a specific trade transaction. The words used must have one clear meaning.

The applicant must give precise instructions to the issuing bank. These instructions define the documents required, the data to appear on those documents, and who must issue them. Clear instructions help prevent errors, reduce delay, and protect both buyer and seller.

An LC is based on documentary obligations. If the applicant gives incomplete or vague directions, the bank may not be able to issue a workable credit. Poor wording leads to disputes and can block payment.

When applying for an LC, the applicant should make sure:

  • The list of required documents is complete and practical.
  • Each document shows the correct data, such as shipment date, quantity, and value.
  • The name of the issuing entity for each document is stated, if relevant.

The sales contract, purchase order, or proforma invoice should follow the same instructions used for the LC application. This ensures that the documents match and meet both commercial and banking requirements.

Banks usually discourage attaching the sales contract or invoice as part of the LC itself. The LC must stand on its own as an independent undertaking, separate from the underlying contract.

Most LC application forms include options for standard trade documents. These typically include:

  • Commercial invoice
  • Transport document (Bill of Lading or Air Waybill)
  • Insurance certificate
  • Packing list
  • Weight list

The applicant should review these options carefully and specify what is needed. Clarity at this stage reduces risk throughout the transaction.

UCP 600

The International Chamber of Commerce (ICC) created the Uniform Customs and Practice for Documentary Credits, known as UCP 600, to harmonise global trade practice. It provides a single set of rules for banks and traders around the world.

UCP 600, published in 2007, defines the obligations of issuing, confirming, and advising banks. It also sets standards for document presentation, examination, and time limits.

The rules apply only when the LC states that it is subject to UCP 600. They are not imposed by law but accepted by agreement between parties. This voluntary system has become the global standard because it ensures consistency and predictability.

UCP 600 reduces the effect of national legal differences. It gives banks and traders a shared understanding of how documentary credits are issued, confirmed, and honoured.

For more information, visit the ICC website and review the official UCP 600 publication.

Law

In most LC transactions, the buyer and seller are based in different countries. Each country has its own laws, but the use of UCP 600 removes much of the uncertainty.

A Letter of Credit subject to UCP 600 usually does not name a governing jurisdiction. The rules are recognised internationally, so banks and courts in different countries interpret them in the same way.

This uniform approach gives traders confidence that the LC will work as intended, regardless of where the banks or parties are located.

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