Employment Act (Cap. 91): Primary employment legislation in Singapore that defines employment relationships. While interns are not typically considered employees under the Act, understanding the distinction is crucial, especially if the internship arrangement resembles an employment relationship.

Employment of Foreigners Act: Governs work pass and immigration requirements for foreign interns. Essential for ensuring compliance with visa and work pass requirements if the intern is an international student or foreigner.

Personal Data Protection Act 2012 (PDPA): Regulates the collection, use, and disclosure of personal data. Relevant for handling personal information in the letter and ensuring proper consent for data usage.

Ministry of Manpower (MOM) Guidelines: Provides guidelines and best practices for internships in Singapore, including fair internship practices and requirements for intern engagement.

Industrial Relations Act: Defines the scope of workplace rights and protections, which may extend to interns in certain circumstances.

Workplace Safety and Health Act: Outlines basic safety obligations and requirements that may need to be acknowledged in workplace communications, including internship-related documents.