UCP 600: Uniform Customs and Practice for Documentary Credits - The primary international rules governing letters of credit operations globally, widely adopted in Singapore

ISP98: International Standby Practices - Specific rules governing standby letters of credit, complementing UCP 600

Banking Act (Chapter 19): Singapore's primary banking legislation governing banking institutions and their operations, including trade finance activities

Bills of Exchange Act (Chapter 23): Singapore legislation governing negotiable instruments, relevant for letter of credit transactions involving bills of exchange

Contract Law (Chapter 53B): Singapore contract law principles applicable to letter of credit agreements and related contractual obligations

Electronic Transactions Act (Chapter 88): Legal framework for electronic transactions and digital signatures in Singapore, relevant for electronic letters of credit

MAS Guidelines on Letters of Credit: Regulatory guidelines issued by Monetary Authority of Singapore specifically for letter of credit operations

MAS Notice 632: Specific regulatory notice on letters of credit and trade financing activities issued by MAS

ABS Guidelines: Guidelines issued by the Association of Banks in Singapore relating to banking practices including letters of credit

ICC Rules: International Chamber of Commerce rules and standards for international banking operations

SWIFT Standards: International standards for electronic communication of letter of credit transactions through the SWIFT network