Personal Data Protection Act 2012 (PDPA): Singapore's primary data protection legislation that governs the collection, use, disclosure, and care of personal data. Essential for defining how marketing agencies handle client and consumer data.

Contract Law (Chapter 53): Fundamental legislation governing contract formation, enforcement, and remedies in Singapore. Sets the basic framework for the NDA's validity and enforceability.

Evidence Act (Chapter 97): Regulates the admissibility of evidence in legal proceedings, relevant for enforcement of NDA violations and proving breaches.

Unfair Contract Terms Act (Chapter 396): Controls the use of unfair terms in contracts, ensuring the NDA's terms are reasonable and enforceable.

Computer Misuse Act: Protects against unauthorized access to computer systems and data, relevant for digital confidential information.

Copyright Act: Protects creative works and intellectual property, particularly relevant for marketing materials and creative content.

Competition Act (Chapter 50B): Ensures that confidentiality provisions do not unfairly restrict competition or create market monopolies.

Singapore Code of Advertising Practice: Industry-specific guidelines that may affect how confidential information is used in marketing contexts.

Common Law Doctrine of Confidentiality: Legal principles developed through case law that govern the protection of confidential information and trade secrets.

ASEAN Framework Agreements: Regional agreements that may affect cross-border handling of confidential information within Southeast Asia.