Civil Law Act (Cap. 43): Governs general contract law principles and establishes requirements for valid contracts in Singapore. This forms the fundamental legal basis for any house contract.

Residential Property Act (Cap. 274): Regulates foreign ownership of residential properties and establishes key requirements for property transactions in Singapore. Includes restrictions and conditions for property ownership.

Planning Act (Cap. 232): Controls zoning requirements and property usage restrictions. Ensures the property meets authorized use categories and complies with urban planning regulations.

Building Control Act (Cap. 29): Sets standards for building safety and maintenance, including regulations for structural modifications. Essential for ensuring property meets habitation standards.

Housing and Development Act: Specifically governs HDB properties, including specific rules, rental restrictions, and requirements for public housing in Singapore.

Stamp Duties Act: Outlines stamp duty obligations and document registration requirements for property transactions and tenancy agreements.

COVID-19 (Temporary Measures) Act 2020: Provides temporary relief measures and modified contract performance obligations during the pandemic period.

Fire Safety Act: Establishes fire safety requirements and building safety compliance standards for residential properties.

Personal Data Protection Act 2012: Regulates the handling of personal information and privacy requirements in contractual relationships.

Immigration Act: Sets requirements for tenant eligibility (particularly for foreigners) and establishes minimum rental periods in relation to immigration status.