Employment Act (Cap. 91): Primary legislation governing employment relationships in Singapore, crucial for properly distinguishing between employees and independent contractors

Workplace Safety and Health Act: Establishes legal requirements for maintaining workplace safety and health standards, applies to both direct employees and subcontractors

Work Injury Compensation Act: Regulates compensation for work-related injuries and diseases, important for defining liability and insurance requirements

Central Provident Fund Act: Governs mandatory social security savings system, relevant for determining contractor status vs. employee status

Personal Data Protection Act 2012: Regulates collection, use, and disclosure of personal data, essential for data protection clauses in the agreement

Employment of Foreign Manpower Act: Regulates employment of foreign workers, crucial if subcontractor employs foreign workers

Building Control Act: Regulates building and construction works, relevant for construction-related subcontracting

Security of Payment Act: Facilitates payments in the construction industry, important for payment terms in construction-related subcontracts

Goods and Services Tax Act: Governs taxation of goods and services, relevant for billing and payment terms

Income Tax Act: Regulates income taxation, important for tax obligations and withholding requirements

Common Law Contract Principles: Fundamental principles of contract law based on common law system, governing formation and enforcement of contracts

Industry-Specific Regulations: Relevant industry codes of practice, professional standards, and regulatory guidelines specific to the subcontractor's field