Securities and Futures Act (Cap. 289): Primary legislation governing securities, futures and derivatives markets in Singapore, relevant for structure and handling of security deposits in financial contexts

Banking Act (Cap. 19): Regulates banking institutions and their operations in Singapore, including the handling of deposits and securities

Contract Law (Cap. 43): Fundamental legislation governing formation and enforcement of contracts in Singapore, essential for the validity of security deposit agreements

Electronic Transactions Act (Cap. 88): Governs electronic transactions and digital signatures, relevant if the confirmation letter is executed electronically

Unfair Contract Terms Act (Cap. 396): Regulates unfair terms in contracts, ensuring security deposit terms are fair and enforceable

Residential Property Act (Cap. 274): Relevant when security deposits relate to residential property transactions

Conveyancing and Law of Property Act (Cap. 61): Governs property transactions and related security interests in Singapore

Consumer Protection (Fair Trading) Act: Protects consumers against unfair practices, including unfair handling of security deposits

Personal Data Protection Act 2012: Governs the collection, use, and disclosure of personal data in the security deposit documentation

MAS Guidelines: Regulatory guidelines from Monetary Authority of Singapore affecting financial institutions' handling of security deposits

Third-Party Security Rights: Legal framework governing rights of third parties in security arrangements

Housing and Development Act: Specific regulations regarding security deposits for HDB (public housing) properties