Employment Act (Cap. 91): Primary legislation governing employment relationships in Singapore, setting out basic terms and working conditions

Employment of Foreign Manpower Act (EFMA): Regulates the employment of foreign workers in Singapore, including work pass requirements and employer obligations

Work Injury Compensation Act (WICA): Provides framework for workplace injury compensation and insurance requirements

Central Provident Fund Act: Governs mandatory social security savings system, including employer contributions if applicable to subcontractors

Workplace Safety and Health Act: Sets standards for workplace safety and health protection measures that subcontractors must comply with

Personal Data Protection Act (PDPA): Regulates collection, use, and disclosure of personal data, affecting how contractor information is handled

Singapore Contract Law: Common law principles governing contract formation, terms, and enforcement

Employment Status Classification Guidelines: Tripartite guidelines defining criteria for distinguishing between employees and independent contractors

Foreign Worker Regulations: Specific rules regarding work passes, quotas, and levy requirements for non-Singaporean workers

Industry-Specific Regulations: Sector-specific requirements and codes of practice that may apply depending on the industry

Tax Regulations: GST, income tax, and withholding tax requirements applicable to subcontractor relationships

Mandatory Contractual Elements: Essential components including scope of work, payment terms, duration, termination clauses, IP rights, and confidentiality obligations