Employment Act (Chapter 91): Primary legislation governing employment terms and conditions in Singapore, covering basic employment terms, salary protection, working hours, overtime, rest days, leave entitlements, and termination provisions

Central Provident Fund Act: Legislation governing mandatory CPF contributions from both employers, including calculation methods and payment obligations in dual employment scenarios

Employment of Foreign Manpower Act: Legislation covering work pass requirements, foreign worker levy considerations, and employment restrictions for non-citizens

MOM Guidelines on Multiple Employment: Regulatory guidelines from Ministry of Manpower specific to multiple employment arrangements, including working hour restrictions and rest day requirements

Income Tax Act: Tax legislation relevant to multiple employment scenarios, covering tax obligations for multiple employers and income reporting requirements

Working Hours Delineation: Structural requirement to clearly separate and define working hours for each employment to ensure compliance with maximum working hour regulations

Conflict Management Provisions: Contractual provisions addressing potential conflicts in confidentiality, non-compete obligations, and intellectual property rights between multiple employments

Compliance Framework: Framework ensuring combined working hours remain within legal limits, adequate rest periods are maintained, and leave arrangements are clearly defined