Societies Act (Chapter 311): Primary legislation governing the registration and regulation of societies in Singapore. Essential for ensuring compliance with basic membership requirements and organizational structure.

Companies Act (Chapter 50): Relevant when membership is related to a company structure. Governs corporate membership and associated rights and obligations.

Co-operative Societies Act (Chapter 62): Applicable for co-operative society memberships. Provides framework for co-operative membership rights and responsibilities.

Personal Data Protection Act 2012 (PDPA): Regulates the collection, use, and disclosure of personal data. Critical for handling member's personal information in membership records.

Electronic Transactions Act (Chapter 88): Governs electronic transactions and digital signatures. Relevant when issuing electronic membership confirmations.

Trade Associations and Chambers Regulations: Specific industry regulations applicable to trade associations and chambers of commerce membership.

Professional Body Requirements: Specific requirements set by professional bodies like Law Society of Singapore or Singapore Medical Council for professional memberships.

Consumer Protection (Fair Trading) Act: Protects consumer interests in commercial transactions, including membership services and related commercial activities.

Anti-Discrimination Provisions: Constitutional and employment law provisions ensuring fair treatment and preventing discrimination in membership practices.

Income Tax Act: Tax implications and considerations for membership fees and related financial transactions.

Goods and Services Tax Act: GST considerations for taxable membership services and related transactions.