Employment Act (Cap. 91): Primary legislation governing employment relationships in Singapore. Covers basic terms and conditions of employment, salary payments, working hours, and leave entitlements. 2019 amendments extend coverage to all employees except seafarers, domestic workers, and public servants.

Central Provident Fund (CPF) Act: Mandates employer and employee contributions to CPF. Critical for commission-based compensation calculations and requirements for CPF contributions on commission payments.

Income Tax Act: Governs tax treatment of commission-based income, including reporting requirements for variable income and withholding tax obligations.

Employment Claims Act: Establishes dispute resolution mechanisms, salary-related claims procedures, and jurisdiction of Employment Claims Tribunal.

Personal Data Protection Act (PDPA): Regulates protection of employee's personal data, including consent requirements and data collection/storage obligations.

Contract Law: Common law principles governing basic contract formation, requirements for valid consideration, and terms/conditions enforcement.

Competition Act: Regulates restrictions on non-compete clauses and market competition considerations in employment agreements.

Commission Structure: Key agreement component covering commission calculation methods, payment terms, frequency, and minimum wage compliance.

CPF Calculations: Specific provisions for calculating CPF contributions on commission-based income.

Performance Metrics: Definition of sales targets, performance evaluation criteria, and territory/client allocation.

Confidentiality Provisions: Terms governing non-compete obligations and protection of confidential information.

Termination Conditions: Specific circumstances and procedures for contract termination, notice periods, and final commission settlements.

Dispute Resolution: Procedures and mechanisms for resolving disputes between employer and employee regarding commission payments or other contract terms.