Employment Act (Cap. 91): Primary legislation governing employment relationships in Singapore. For application confirmations, ensures compliance with basic employment law principles and prevents discriminatory practices in the application process.

Personal Data Protection Act (PDPA) 2012: Regulates the collection, use, and storage of personal data. Crucial for handling applicant's personal information, obtaining proper consent, and maintaining data protection obligations.

Contract Law (Cap. 43): Governs the formation and enforcement of contracts in Singapore. Ensures the application confirmation letter meets basic legal requirements for validity as a contractual document.

Fair Consideration Framework (FCF): Ministry of Manpower guidelines ensuring fair hiring practices, including compliance requirements and consideration of Singaporean candidates in the hiring process.

Tripartite Guidelines on Fair Employment Practices: Guidelines established by tripartite partners outlining principles for non-discrimination and merit-based selection in employment practices.

Electronic Transactions Act: Provides legal framework for electronic communications and digital signatures, relevant when sending application confirmation letters electronically.

Immigration Law: Regulates employment of foreign workers, including work pass requirements and foreign worker quota considerations, applicable for non-Singaporean applicants.