Conveyancing and Law of Property Act (Cap. 61): Primary legislation governing real property transactions and leases in Singapore. Defines fundamental legal requirements for property interests and lease arrangements.

Planning Act (Cap. 232): Legislation controlling land use and development in Singapore. Critical for determining and ensuring compliance with permitted usage of leased premises.

Building Control Act (Cap. 29): Regulatory framework for building works and safety requirements. Essential for any lease amendments involving modifications to premises or building structures.

Registration of Deeds Act (Cap. 269): Outlines requirements for registration of property documents in Singapore, including amendments to lease agreements where applicable.

Landlord and Tenant (Shops) Act: Specific legislation governing commercial tenancies in Singapore, providing particular provisions for retail and business premises leases.

COVID-19 (Temporary Measures) Act 2020: Temporary legislation affecting lease obligations and agreements during the pandemic period. May impact terms of lease amendments.

State Lands Act: Legislation governing properties involving state land in Singapore. Relevant for lease amendments involving state-owned properties.

Building Maintenance and Strata Management Act: Regulations for strata-titled developments. Important for lease amendments involving properties within strata-titled buildings or complexes.

Singapore Land Authority Requirements: Regulatory requirements from the primary land authority in Singapore governing land ownership and usage.

Urban Redevelopment Authority Guidelines: Planning guidelines and requirements affecting property usage and development in Singapore.

Building and Construction Authority Regulations: Technical requirements and standards for buildings and construction works that may affect lease terms and conditions.