Insurance Act 1966 (Cap. 142): Primary legislation that regulates insurance business in Singapore, including licensing requirements and definition of insurance business classes

Companies Act (Cap. 50): Core legislation governing corporate entities, their interactions, and regulation of inter-company relationships and transactions

MAS Guidelines: Regulatory framework including MAS Notice 124 (Risk Management), MAS Notice 129 (Insurance Returns), and Guidelines on Fair Dealing issued by the Monetary Authority of Singapore

Personal Data Protection Act 2012 (PDPA): Legislation governing the handling and protection of customer data between companies

Competition Act (Cap. 50B): Legislation ensuring agreements do not violate anti-competitive practices in Singapore

Contract Law (Cap. 53): Singapore contract law principles based on English common law, governing the formation and execution of contracts

Corporate Governance Guidelines: MAS Guidelines on Corporate Governance including requirements for risk management and internal controls

Income Tax Act and GST Act: Tax legislation affecting insurance services and inter-company transactions in Singapore