Goods and Services Tax Act: Governs GST registration (mandatory above SGD 1M turnover), GST number display, and proper tax calculation (8%, increasing to 9% in 2024)
Business Registration Act: Mandates display of business registration number and legal business name as registered with ACRA
Electronic Transactions Act: Regulates electronic invoices, requirements for e-signatures, and digital documentation validity
Companies Act: Sets requirements for proper record keeping and mandatory invoice elements for accounting purposes
Consumer Protection (Fair Trading) Act: Ensures clear pricing and service/product description requirements in invoices
Currency Act: Stipulates requirements for displaying Singapore Dollar (SGD) in financial documents
Personal Data Protection Act: Regulates the handling and protection of personal and business information in documents
Invoice Number Requirement: Mandatory unique identifier for each invoice for tracking and accounting purposes
Supplier Details Requirement: Mandatory inclusion of supplier's name, address, and GST registration number (if applicable)
Customer Details Requirement: Mandatory inclusion of customer's name and address for invoice validity
Product/Service Description Requirement: Detailed description of goods/services, including quantity and price
Payment Information Requirement: Clear statement of total amount payable, GST amount (if applicable), and payment terms
