Employment Act (Cap. 91): Core legislation governing employment relationships in Singapore, covering working hours, rest days, overtime, annual leave, and sick leave. As of 2019 amendments, covers all employees except domestic workers and seafarers.

Central Provident Fund (CPF) Act: Regulates mandatory social security savings scheme, including employer and employee contribution rates. Applies to both locals and Permanent Residents.

Employment of Foreign Manpower Act: Governs employment of foreign workers, including work pass requirements, conditions, and Fair Consideration Framework.

Workplace Safety and Health Act: Establishes basic safety and health requirements and employer obligations for workplace safety.

Personal Data Protection Act (PDPA): Regulates handling of employee personal data, including consent requirements and data protection obligations.

Industrial Relations Act: Covers employee rights regarding union membership and collective bargaining framework.

Child Development Co-Savings Act: Governs maternity leave, paternity leave, shared parental leave, and childcare leave benefits.

Retirement and Re-employment Act: Establishes minimum retirement age and re-employment obligations for employers.

Work Injury Compensation Act: Covers work injury compensation and related insurance requirements for employers.

Tripartite Guidelines: Non-legislative guidelines on Fair Employment Practices issued by Singapore government and social partners.

MOM Advisories: Current advisories and regulations from Ministry of Manpower, including any COVID-19 related employment regulations.