Contract Act (Cap. 53): Primary legislation governing contract formation and enforcement in Singapore, covering fundamental principles of offer, acceptance, consideration, and legal relations

Companies Act (Cap. 50): Regulates corporate entities in Singapore, relevant when parties to the LOI are registered companies

Electronic Transactions Act: Provides legal framework for electronic signatures and digital execution of documents, important if LOI will be executed electronically

Competition Act (Cap. 50B): Ensures compliance with competition law and prevents anti-competitive practices in business arrangements

Consumer Protection (Fair Trading) Act: Protects consumer interests and ensures fair trading practices, applicable if one party is a consumer

Misrepresentation Act: Governs false statements or misrepresentations made during contract negotiations

Unfair Contract Terms Act: Regulates unfair terms in contracts and limits the extent to which liability can be excluded

Limitation Act: Sets time limits for bringing legal actions relating to contractual disputes

Third Parties (Rights against Insurers) Act: Protects rights of third parties in contractual arrangements involving insurance

Registration of Businesses Act: Requires registration of businesses and verification of business entities in Singapore

Land Titles Act: Governs property ownership and transactions if the LOI involves real estate

Conveyancing and Law of Property Act: Regulates property transactions and transfer of property rights if relevant to the LOI

Sale of Goods Act: Governs contracts relating to the sale of goods and merchandise if applicable to the LOI