Sale of Goods Act (Chapter 393): Primary legislation governing the sale and transfer of goods, defining fundamental rights and obligations of buyers and sellers in sale transactions

Civil Law Act (Chapter 43): Foundational legislation providing general contract law principles, including provisions on contractual capacity and consideration requirements

Contracts (Rights of Third Parties) Act: Legislation governing how third parties may enforce terms of a contract, particularly relevant if the sub sale agreement affects third party rights

Residential Property Act: Controls and restricts foreign ownership of residential properties in Singapore, including consent requirements for certain transactions

Housing and Development Act: Regulates transactions involving HDB properties, including resale restrictions and eligibility criteria for buyers and sellers

Conveyancing and Law of Property Act: Sets out legal requirements for property transfers and other real estate transactions, including necessary legal formalities

Goods and Services Tax Act: Governs the tax implications of the sale transaction, including GST obligations and exemptions

Stamp Duties Act: Determines stamp duty obligations, applicable rates, and timing requirements for payment in property transactions

Personal Data Protection Act: Regulates the collection, use, and disclosure of personal data in Singapore, ensuring proper handling of personal information in agreements