Civil Law Act (Cap. 43): Primary legislation governing contract formation and enforcement in Singapore, including basic principles of contract law
Employment Act (Cap. 91): Relevant if the retainer arrangement could be construed as an employment relationship, covering basic terms and working conditions
Central Provident Fund Act: mandatory if the arrangement is deemed employment-like, requiring social security contributions
Employment of Foreign Manpower Act: Applicable when engaging foreign service providers, ensuring compliance with work pass requirements
Income Tax Act: Governs taxation of payments under the retainer arrangement and related reporting obligations
Goods and Services Tax Act: Relevant for GST registration and charging requirements on retainer fees
Stamp Duties Act: May apply to certain contract documents requiring stamp duty payment
Personal Data Protection Act 2012: Governs the collection, use, and disclosure of personal data in the course of the retainer relationship
Electronic Transactions Act: Relevant for electronic execution and validity of digital contracts and signatures
Limitations Act: Sets time limits for bringing legal claims and should be considered in dispute resolution clauses
Competition Act: Ensures the retainer arrangement doesn't violate competition laws, particularly regarding exclusivity clauses
