# Singapore corporate and business law updates > Live situation record from CLSTR: https://clstr.news/situations/singapore-corporate-and-business-law-updates > Updated: 2026-09-10T09:01:44.000Z. Sources: 4. Developments: 2. Singapore is implementing regulatory reforms through the Corporate and Accounting Laws (Amendment) Act 2025, which updates the Companies Act 1967 and the Accountants Act 2004. These changes aim to prevent the misuse of corporate entities for money laundering and terrorism financing, while also modernizing business classifications via the Singapore Standard Industrial Classification (SSIC) 2025 framework. Specific updates include new requirements for business registration and changes to company registered office regulations. The requirement for registered offices to remain open to the public for three hours every business day has been replaced by a notice-based system for record inspections. While companies must still maintain a physical local registered address and cannot use P.O. boxes, they may utilize home offices, coworking spaces, or virtual office services to satisfy Accounting and Corporate Regulatory Authority (ACRA) mandates. ## Timeline ### 2026-09-10: Singapore updates company registered address regulations Singapore has updated its Companies Act, removing the requirement for registered offices to maintain fixed daily opening hours, while maintaining strict physical address mandates. 2 sources. https://clstr.news/cluster/singapore-updates-company-registered-address-regulations ### 2026-08-26: Singapore updates business classification and corporate laws Singapore is updating its business regulatory landscape through the SSIC 2025 framework and the Corporate and Accounting Laws (Amendment) Act 2025 to enhance oversight and combat illicit activities. 2 sources. https://clstr.news/cluster/singapore-updates-business-classification-and-corporate-laws --- Cite as: Singapore corporate and business law updates. CLSTR, https://clstr.news/situations/singapore-corporate-and-business-law-updates