Contracts Act 1872 (Chapter 53): Primary legislation governing contract formation, assignment provisions, and consideration requirements in Singapore. Key sections include Section 4 on contract formation and Section 27 on assignment provisions.

Civil Law Act (Chapter 43): Establishes fundamental provisions relating to assignments and requirements for writing and signatures in contractual agreements under Singapore law.

Companies Act (Chapter 50): Relevant when any party to the assignment is a corporate entity, governing corporate capacity and authority to enter into assignments.

Stamp Duties Act (Chapter 312): Regulates stamp duty requirements for assignments, including timing and payment obligations for document validation.

Electronic Transactions Act (Chapter 88): Governs the legal validity and enforceability of electronic signatures and documents if the agreement is to be executed electronically.

Doctrine of Privity of Contract: Common law principle establishing that a contract cannot confer rights or impose obligations upon any person who is not a party to the contract.

Novation vs Assignment Rules: Legal principles distinguishing between novation (transfer of both rights and obligations) and assignment (transfer of rights only).

Capacity Requirements: Legal requirements regarding the parties' capacity to enter into binding contracts and assignments.

Notice Requirements: Legal obligations regarding notification to affected parties about the assignment, including timing and form of notice.

Registration Requirements: Any applicable requirements for registration of the assignment with relevant authorities or registries in Singapore.