Goods and Services Tax (GST) Act: Primary legislation governing GST in Singapore - requires proper GST registration status display, current GST rate (8%, increasing to 9% in 2024), and valid tax invoice requirements including GST registration number if applicable
Income Tax Act: Governs record keeping and documentation requirements for business transactions and tax purposes in Singapore
Companies Act: Specifies business identification requirements and mandatory company registration details that must be included on official documents
Electronic Transactions Act: Regulates electronic transactions including requirements for electronic invoices and digital signature validity in Singapore
Consumer Protection (Fair Trading) Act: Ensures fair pricing, accurate description of goods/services, and transparency in billing practices
ACRA Requirements: Accounting and Corporate Regulatory Authority mandates for business registration number display and company information requirements
Company Details Requirement: Mandatory inclusion of company name, registration number, and address on invoice
Invoice Content Requirements: Essential elements including invoice number, date, payment terms, description of goods/services, pricing breakdown, and total amount payable
GST Information Display: Requirements for displaying GST registration number and GST amount separately on invoice if company is GST-registered
Payment Instructions: Clear specification of payment methods, bank details, and other relevant payment processing information
