GST Act: Goods and Services Tax regulations requiring GST registration for turnover exceeding SGD 1 million, and proper GST documentation on invoices
Income Tax Act: Singapore tax legislation governing business income reporting and documentation requirements
Building and Construction Industry Security of Payment Act (SOPA): Regulates payment claims, timelines, and progress payment provisions in the construction industry
Building Control Act: Governs building works and construction standards in Singapore
Building Maintenance and Strata Management Act: Regulations regarding building maintenance and management requirements
Companies Act: Legal framework for business operations and documentation requirements in Singapore
Business Registration Act: Requirements for business registration and related documentation
Electronic Transactions Act: Legal framework for electronic documents and digital signatures in business transactions
BCA Regulations: Building and Construction Authority specific requirements for construction companies
Workplace Safety and Health Act: Safety and health requirements for construction work and related documentation
Invoice Mandatory Elements: Required components including GST number, invoice number, date, business details, customer information, work description, and payment terms
Record Keeping Requirements: 5-year retention period for tax documents and compliance requirements for digital storage
