Goods and Services Tax Act (Cap. 117A): Governs GST registration, reporting requirements, proper GST display on invoices (currently 8%, increasing to 9% in 2024), and GST registration number display requirements
Income Tax Act (Cap. 134): Mandates record keeping requirements and minimum invoice retention period of 5 years for tax compliance purposes
Electronic Transactions Act (Cap. 88): Regulates requirements for electronic invoices and digital signature compliance for electronic business documents
Companies Act (Cap. 50): Specifies mandatory business information and company registration details that must be displayed on official documents including invoices
Consumer Protection (Fair Trading) Act: Ensures clear pricing, description requirements, and transparency in terms and conditions on commercial documents
Company Name and Registration: Requirement to display full registered company name and registration number on all invoices
Business Address: Mandatory inclusion of official business address on invoice
Invoice Details: Must include unique invoice number, date, clear description of goods/services, and payment terms
GST Information: For GST-registered businesses, must display GST registration number and separately state GST amount
Payment Information: Clear statement of total amount payable and currency denomination
