Personal Data Protection Act (PDPA): Singapore's primary data protection legislation that governs the handling and disposal of personal data received during the recruitment process. Ensures proper management of candidate information.

Employment Act (EA): While not directly governing job offer refusals, it sets the standard for professional conduct in employment-related matters in Singapore.

Tripartite Guidelines on Fair Employment Practices (TGFEP): Guidelines that ensure fair employment practices and prevent discrimination in all employment-related matters, including recruitment communications.

TAFEP Anti-Discrimination Guidelines: Specific guidelines prohibiting discrimination based on age, race, gender, religion, nationality, disability, and family responsibilities in employment practices.

Record Keeping Requirements: Best practice guidelines for maintaining proper documentation of recruitment communications and decisions for a reasonable period.

Confidentiality Obligations: Legal and ethical requirements to maintain confidentiality of all recruitment-related communications and candidate information.

Defamation Laws: Singapore laws regarding defamation that require careful wording in rejection letters to avoid potentially defamatory statements.