Employment Act (Chapter 91): Primary legislation governing employment relationships in Singapore, including salary payment methods and requirements. Ensures compliance with salary payment regulations and protects employees' rights regarding wage payments.

Banking Act (Chapter 19): Framework regulating banking operations in Singapore, including rules for account transfers, transaction security, and banking operations. Ensures compliance with banking regulations for fund transfers between accounts.

Personal Data Protection Act 2012 (PDPA): Legislation governing the collection, use, and disclosure of personal data. Ensures proper handling of sensitive banking information and personal details in authorization documents.

Electronic Transactions Act (Chapter 88): Legislation providing legal foundation for electronic transactions and digital signatures. Validates electronic signatures and documents if the authorization is to be submitted electronically.

MAS Guidelines: Regulatory guidelines from the Monetary Authority of Singapore covering banking security requirements, anti-money laundering regulations, and Know Your Customer (KYC) requirements.

Central Provident Fund Act: Legislation governing Singapore's social security savings scheme, relevant for salary transfers involving CPF contributions and ensuring compliance with CPF transfer regulations.