2015 Mercantile Law, Q5

A. A standby letter of credit was issued by ABC Bank to secure the obligation of X Company to Y Company. Under the standby letter of credit, if there is failure on the part of X Company to perform its obligation, then Y Company will submit to ABC Bank a certificate of default (in the form prescribed under the standby letter of credit) and ABC Bank will have to pay Y Company the defaulted amount. Subsequently, Y Company submitted to ABC Bank a certificate of default notwithstanding the fact that X Company was not in default. Can ABC Bank refuse to honor the certificate of default? Explain. (3%)
B. Is the Uniform Customs and Practice for Documentary Credits of the International Chamber of Commerce applicable to commercial letters of credit issued by a domestic bank even if not expressly mentioned in such letters of credit? What is the basis for your answer? (3%)

Quick check

Under the independence principle, can an issuing bank refuse to honor a standby letter of credit if the applicant claims it is not in default?

What document triggers the issuing bank's obligation to pay under a standby letter of credit?

What is the legal basis for applying UCP 600 to domestic letters of credit that omit an express reference to it?

How does a standby letter of credit differ from a traditional commercial letter of credit?

Which primary international set of rules embodies custom and practice for documentary credits applied in the Philippines?

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1. Independence Principle Application
Under the independence principle governing letters of credit, the contract of the issuing bank to pay the beneficiary upon presentation of required documents is completely separate and distinct from the underlying commercial transaction between the applicant and the beneficiary. The bank's liability to pay is primary and absolute upon presentation of strictly conforming documents. The issuing bank deals exclusively with documents and is not concerned with, nor bound by, any underlying breach or performance dispute between the contracting parties.

2. Standby Letter Mechanics
A standby letter of credit serves as a financial security device designed to secure the performance of an underlying obligation. Unlike a commercial letter of credit used in sales transactions, a standby letter of credit is payable upon presentation of a certificate of default executed by the beneficiary. The bank is legally obligated to honor the credit upon submission of the prescribed certificate of default without inquiring into whether actual default occurred under the main contract.

3. UCP 600 Application
Under Article 2 of the Code of Commerce, commercial transactions are governed primarily by commercial laws and secondarily by established commercial usages and customs. The Uniform Customs and Practice for Documentary Credits (UCP 600) promulgated by the International Chamber of Commerce embodies universally recognized banking customs. Consequently, Philippine courts apply the UCP 600 to letters of credit issued by domestic banking institutions even when the instrument does not explicitly incorporate or reference its provisions.

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The questions reproduced here are the official texts of the Philippine Bar Examinations, published by the Supreme Court. They are reproduced for study purposes.The suggested answers are the author’s own.

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Where a question comes from an earlier examination, the suggested answer applies the law as it now stands, which may differ from the law in force when the question was given, and may therefore differ from what would have been the correct answer at that time. Where the difference is material, the answer notes it.The practice scoring feature measures wording overlap with the suggested answer. It is not a grade, carries no official weight, and says nothing about whether your reasoning is sound.Errors are possible. If you find one, please tell me and I will correct it.Last reviewed: October 2026