Residential Property Act: Primary legislation governing residential property ownership and transactions in Singapore. Essential for understanding the legal framework around property sales and tenant rights.

Civil Law Act: Contains fundamental contract law principles that apply to tenancy agreements in Singapore, including the basic requirements for valid contracts and notices.

Planning Act: Legislation covering property zoning and usage regulations in Singapore, which may affect the sale and subsequent use of the property.

Landlord and Tenant (Amendment) Act: Specific legislation regulating the relationship between landlords and tenants, including rights and obligations of both parties.

Notice Period Requirements: Legal requirement for minimum notice periods (typically 1-2 months for periodic tenancies) that must be given to tenants when terminating a lease due to property sale.

Form of Notice Requirements: Legal requirements for the notice format: must be in writing, properly served to tenant, and include specific details about the sale.

Tenant's Rights: Legal protections for tenants including protection from wrongful eviction, right to stay until end of fixed-term lease, and right to receive proper notice.

Contractual Obligations: Requirements to comply with existing tenancy agreement provisions, including any break clauses or early termination provisions.