Employment Act (Chapter 91): Primary legislation governing employment relationships in Singapore. Key focus on sections related to performance management and employee assessments. Note the 2019 amendment that extended coverage to all employees.

Personal Data Protection Act (PDPA): Governs the collection, use, and storage of employee performance data. Includes requirements for employee consent and data protection obligations during the performance review process.

Tripartite Guidelines on Fair Employment Practices: Guidelines issued jointly by MOM, NTUC, and SNEF that outline requirements for objective performance criteria and non-discriminatory practices in performance assessment.

Workplace Safety and Health Act: Relevant when performance metrics include safety-related KPIs or when evaluating compliance with workplace safety standards.

Industrial Relations Act: Applicable for unionized workplaces, particularly regarding collective agreements that may affect how performance reviews are conducted.

Fair Consideration Framework: Guidelines ensuring fair employment practices and non-discrimination in all HR processes, including performance reviews.

TAFEP Guidelines: Tripartite Alliance for Fair and Progressive Employment Practices guidelines providing best practices for fair and objective performance assessment.