Copyright Act (Chapter 63): Primary legislation governing intellectual property rights in Singapore, covering ownership, licensing, and usage rights of photographic works, moral rights provisions, and duration of copyright protection

Electronic Transactions Act (Chapter 88): Legislation governing electronic transactions, including legal recognition of electronic signatures and validity of electronic contracts for license agreements executed online

Personal Data Protection Act 2012 (PDPA): Regulates the collection, use, and disclosure of personal data, particularly relevant if photos contain identifiable individuals, including consent requirements and cross-border data transfer provisions

Consumer Protection (Fair Trading) Act: Protects consumer interests in commercial transactions, including provisions against unfair practices and consumer rights, applicable if licensing to consumers rather than businesses

Competition Act (Chapter 50B): Ensures fair market competition and prevents anti-competitive practices, relevant for ensuring license terms don't create unfair market restrictions

Singapore Contract Law: Common law principles governing formation and enforcement of contracts in Singapore, providing fundamental legal framework for license agreements

International Copyright Treaties: International agreements to which Singapore is a party, providing framework for cross-border copyright protection and enforcement

Singapore Code of Advertising Practice: Guidelines and standards for advertising in Singapore, relevant if licensed photos will be used in advertising materials