Civil Law Act (Cap. 43): Primary legislation governing contractual relationships and remedies between parties. Essential for establishing the legal basis of the tenancy agreement and enforcement of rental obligations.

Conveyancing and Law of Property Act (Cap. 61): Regulates property transactions and landlord-tenant relationships in Singapore. Provides framework for property rights and obligations in rental contexts.

Landlord and Tenant (Rental of State Properties) Act: Contains specific provisions governing the rental of state properties. Must be considered if the property in question is state-owned.

COVID-19 (Temporary Measures) Act 2020: Temporary legislation that may affect rental obligations and enforcement actions during the pandemic period. Need to verify current applicable provisions.

Limitation Act (Cap. 163): Sets 6-year limitation period for contractual claims. Critical for ensuring the demand for rental arrears is made within the legal timeframe.

Property Tax Act: Legislation governing property tax obligations which may be relevant to rental arrangements and responsibilities.

Stamp Duties Act: Ensures compliance with stamp duty requirements for tenancy agreements, which affects the enforceability of the rental contract.

Rules of Court 2021: Procedural rules governing legal notices and documents, including requirements for proper format and service of demand letters.

State Courts Practice Directions: Provides guidance on procedural requirements if legal action becomes necessary following the demand letter.