Banking Act (Cap. 19): Primary legislation governing banking operations and regulations in Singapore, crucial for bank guarantee structures and banking operations

Monetary Authority of Singapore Act (Cap. 186): Establishes regulatory framework for financial institutions and their activities, including issuance of bank guarantees

Securities and Futures Act (Cap. 289): Relevant for financial instruments and their trading, including certain aspects of bank guarantees when they are considered financial instruments

Contract Law (Cap. 43): Fundamental legislation governing contract formation, validity, and enforcement in Singapore

Unfair Contract Terms Act (Cap. 396): Regulates unfair terms in contracts and provides protection against unreasonable contract terms

MAS Guidelines on Risk Management Practices: Regulatory guidelines for risk management in financial institutions, including management of guarantee exposures

MAS Notice 637: Specifies risk-based capital adequacy requirements for banks, affecting how banks structure and manage their guarantee portfolios

MAS Notice 643: Governs transactions with related parties, relevant for back-to-back guarantees involving related entities

URDG 758: ICC Uniform Rules for Demand Guarantees, providing international standards for guarantee operations

ISP98: International Standby Practices, providing guidelines for standby letters of credit and similar instruments

AML Regulations: Anti-money laundering regulations that must be considered in bank guarantee transactions

Documentary Requirements: Specific documentation and formalities required under Singapore law for valid bank guarantees

Cross-border Transaction Regulations: Rules governing international aspects of bank guarantees, including foreign exchange controls and international banking regulations