Banking Act (Chapter 19): Primary legislation governing banking operations and relationships between banks and customers in Singapore, including provisions about bank accounts and banking instruments

Bills of Exchange Act (Chapter 23): Legislation specifically regulating cheques as negotiable instruments, defining legal requirements for valid cheques, and covering signing authority and mandate requirements

Companies Act (Chapter 50): Legislation governing corporate authorization, directors' powers and delegation of authority, and company seal requirements when the account holder is a company

AML/CFT Regulations: Anti-Money Laundering and Countering the Financing of Terrorism regulations covering KYC requirements, verification of authorized signatories, and transaction monitoring requirements

MAS Guidelines: Monetary Authority of Singapore guidelines covering banking security requirements, corporate governance guidelines, and risk management practices

Electronic Transactions Act (Chapter 88): Legislation governing electronic submissions and digital signature requirements in electronic transactions