Employment Act (Chapter 91): Primary legislation governing employment relationships in Singapore. Covers basic terms and conditions of employment. Recent amendments in 2019 extended coverage to all employees except domestic workers, seafarers, and public servants.

Employment of Foreign Manpower Act: Regulates the employment of foreign workers in Singapore, including work pass requirements and conditions. Essential consideration if the appointment involves foreign employees.

Personal Data Protection Act 2012 (PDPA): Governs the collection, use, and disclosure of personal data. Relevant for handling personal information during the appointment process and ensuring proper consent requirements.

Contract Law: Based on Common Law principles, ensures the LOI meets basic contract formation requirements including offer, acceptance, and consideration.

Companies Act (Chapter 50): Relevant when appointment involves company directors or officers. Ensures compliance with corporate governance requirements and statutory obligations.

Prevention of Corruption Act: Ensures the appointment process is free from corrupt practices and maintains integrity in business dealings.

Industrial Relations Act: Addresses employment relationships in unionized contexts. Relevant if the position falls under collective agreements or involves union-related considerations.

Retirement and Re-employment Act: Governs retirement and re-employment obligations. Particularly relevant if the appointee is near retirement age or if re-employment terms need to be considered.

Fair Consideration Framework: Provides guidelines for fair employment practices and non-discrimination principles in the hiring and appointment process.

Competition Act: Relevant for appointments including non-compete clauses and ensures restrictions on anti-competitive practices are properly addressed in the LOI.