Contract Act (Cap. 53): Primary legislation governing contract formation, validity, and enforcement in Singapore. Covers essential elements like offer, acceptance, consideration, and contractual capacity.

Electronic Transactions Act: Provides legal framework for electronic transactions and digital signatures, ensuring electronic contracts and receipts have legal validity and enforceability.

Consumer Protection (Fair Trading) Act: Protects consumers against unfair practices and ensures fair trading terms in consumer transactions.

Consumer Protection (Trade Descriptions and Safety Requirements) Act: Regulates trade descriptions and safety requirements for goods and services offered to consumers.

Unfair Contract Terms Act: Controls the use of unfair terms in contracts, particularly in standard form contracts and consumer agreements.

Sale of Goods Act: Regulates contracts relating to the sale of goods, including conditions and warranties implied by law.

Supply of Goods Act: Governs the supply of goods and services, including quality standards and implied terms.

Personal Data Protection Act 2012: Governs the collection, use, disclosure, and care of personal data in Singapore.

UNCITRAL Model Law on Electronic Commerce: International framework adopted by Singapore for electronic commerce regulations and standards.

Goods and Services Tax Act: Regulates the imposition and collection of goods and services tax, affecting pricing and financial terms in contracts.