Residential Tenancies Act: Primary legislation governing residential tenancies in Singapore (Cap. 254), which sets out the basic rights and obligations of landlords and tenants

Housing and Development Act: Legislation specific to HDB properties in Singapore, containing additional requirements for public housing tenancies

Building Maintenance and Strata Management Act: Legislation governing condominiums and strata properties, which may affect notice requirements for such properties

Notice Period Requirements: Legal minimum notice periods required for termination, typically ranging from 1-3 months depending on the type of tenancy and contract terms

Service Requirements: Legal requirements for how the notice must be delivered to the tenant to be considered valid under Singapore law

Tenancy Type Considerations: Different requirements based on whether the tenancy is fixed-term or periodic, affecting the timing and conditions of the notice

HDB Regulations: Additional specific requirements if the property is an HDB flat, including compliance with HDB's rules on notice periods and procedures

COVID-19 Temporary Measures: Any temporary legislative provisions enacted during COVID-19 that may affect notice requirements and procedures

Lease Agreement Terms: Contractual notice requirements specified in the existing lease agreement that must be honored alongside statutory requirements

Breach of Terms: Consideration of whether any breach of tenancy terms affects the notice requirements or procedure