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

Sale of Goods Act (Cap. 393): Regulates the sale of goods, including conditions and warranties, transfer of property, and rights of buyers and sellers.

Electronic Transactions Act (Cap. 88): Governs electronic communications and transactions, ensuring legal recognition of electronic records and signatures.

Consumer Protection (Fair Trading) Act (Cap. 52A): Protects consumer interests against unfair practices and provides additional rights for B2C transactions.

Consumer Protection (Trade Descriptions and Safety Requirements) Act: Ensures accurate product descriptions and compliance with safety standards in consumer transactions.

Supply of Goods Act: Provides statutory protection regarding the quality and fitness of goods supplied in commercial transactions.

Unfair Contract Terms Act: Restricts the extent to which civil liability for breach of contract can be avoided through contract terms.

Companies Act (Cap. 50): Regulates corporate entities and their business operations in Singapore.

Goods and Services Tax Act: Governs the application and collection of GST on commercial transactions in Singapore.

Personal Data Protection Act 2012: Regulates the collection, use, and disclosure of personal data in commercial transactions.