Companies Act 1967 (2020 Revised Edition): Primary legislation governing company formation and regulation in Singapore. Key sections include Division 1 of Part III on Company Formation, Section 17 on Memorandum requirements, Section 19 on Form of Constitution, and Section 22 on Company Limited by Shares requirements.

Companies (Model Constitutions) Regulations 2015: SecoNDAry legislation providing template constitutions and regulatory framework for different types of companies in Singapore.

ACRA Guidelines: Regulatory guidelines issued by the Accounting and Corporate Regulatory Authority of Singapore, providing detailed requirements for company registration and compliance.

Securities and Futures Act: Legislation relevant if the company plans to issue securities, governing the regulation of activities and institutions in the securities and derivatives industry.

Business Registration Act: Legislation governing the registration and regulation of businesses in Singapore, including requirements for business names and registration procedures.

ACRA Filing Requirements: Specific requirements for document submission, annual returns, and other regulatory filings with the Accounting and Corporate Regulatory Authority.

Share Capital Requirements: Regulatory requirements regarding minimum share capital, share structure, and related matters for companies limited by shares in Singapore.

Corporate Governance Requirements: Guidelines and requirements for corporate governance, including director duties, shareholder rights, and company management structure.

Industry-Specific Regulations: Additional regulations that may apply depending on the company's business sector or industry of operation in Singapore.