Invoice template for Singapore
Every mandatory field and fiscal rule a compliant invoice must carry in Singapore: numbering, tax IDs, archival and e-filing.
Tax Invoice
Compliant invoice example
Invoice number: INV-2026-001234
Issue date: 2026-10-26
Due date: 2026-11-25
The marked fields are the ones the local tax law requires. Identification data is illustrative only.
Seller
Acme SRL
GST registration number / UEN: 201912345K
Address: Example Street 123, City
Customer
Beta Industries Ltd.
UEN: 201887654E
Address: Customer Street 45, City
| Description | Quantity | Unit price | Net |
|---|---|---|---|
| Consulting services (May period) | 1 | SGD 1,500.00 | SGD 1,500.00 |
| Software implementation and setup | 1 | SGD 800.00 | SGD 800.00 |
Total netSGD 2,300.00
Total VAT (GST 9%)SGD 207.00
Total dueSGD 2,507.00
Numbering rulesUnique sequential identifying number (GST Act, Third Schedule)
E-filing & e-invoicingIRAS: quarterly GST returns (F5) via myTax Portal. GST InvoiceNow Requirement (Peppol): transmission of invoice data to IRAS through InvoiceNow, phased in for newly GST-registered businesses from 1 November 2025 (voluntary registrants) and 1 April 2026 (all new registrants).
Archival period5 years (s. 46 Goods and Services Tax Act 1993)
PenaltiesFine of up to S$5,000 for failing to issue a proper tax invoice or keep records (GST Act); up to 200 % of tax undercharged for incorrect returns.
Mandatory invoice fields
Every element the Singapore tax legislation requires on a fiscal invoice.
- Words "Tax Invoice" and unique identifying number
- Date of issue
- Supplier name, address and GST registration number
- Customer name and address
- Description, quantity and unit price of goods/services
- Total amount excluding GST, GST rate 9 % and GST amount
- Total amount payable including GST
- Statement of zero-rated or exempt supplies where applicable