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| Who / Turnover / Applicability |
Timeline / When | Model | Transaction Type | Format of E-Invoice | Additional Notes |
|---|---|---|---|---|---|
| Newly Incorporated Companies (Voluntary GST Registration) | 1 November 2025 | Peppol 5-Corner Model |
B2B
B2G |
PINT SG (UBL/XML) | Mandatory e-Invoicing within 6 months of GST registration; network operated by IMDA. |
| All New Voluntary GST Registrants | 1 April 2026 | Peppol 5-Corner Model |
B2B
B2G |
PINT SG (UBL/XML) | Expansion of mandate to all new voluntary GST registrants, regardless of incorporation date or business structure. |
| New Compulsory GST Registrants + Existing GST-Registered Businesses (≤ SGD 200,000 Annual Taxable Supplies) | 1 April 2028 | Peppol 5-Corner Model |
B2B
B2G |
PINT SG (UBL/XML) | First wave for existing businesses; combined with all new compulsory GST registrants from this date. |
| Existing GST-Registered Businesses (≤ SGD 1,000,000 Annual Taxable Supplies) | 1 April 2029 | Peppol 5-Corner Model |
B2B
B2G |
PINT SG (UBL/XML) | Continued phased adoption based on annual taxable supplies. |
| Existing GST-Registered Businesses (≤ SGD 4,000,000 Annual Taxable Supplies) | 1 April 2030 | Peppol 5-Corner Model |
B2B
B2G |
PINT SG (UBL/XML) | Mid-sized businesses required to adopt e-Invoicing. |
| Existing GST-Registered Businesses (> SGD 4,000,000 Annual Taxable Supplies) | 1 April 2031 | Peppol 5-Corner Model |
B2B
B2G |
PINT SG (UBL/XML) | Full nationwide adoption of the GST InvoiceNow Requirement across all GST-registered businesses. |
Cygnet.One connects your ERP and billing systems to the PEPPOL network, enabling seamless validation, routing, and delivery of invoices across Singapore’s digital invoicing ecosystem.
Create PEPPOL-compliant e-Invoices directly from ERP or source systems
Validate invoice data against IRAS and InvoiceNow requirements
Exchange invoices securely through PEPPOL Access Point providers
Secure archival with full audit trail and compliance logs
Cygnet.One’s platform supports end-to-end invoice lifecycle automation, real-time validation, and seamless ERP connectivity, ensuring compliance and operational efficiency.
Explore the ins and outs of Singapore's e-invoicing system. Stay compliant and optimize your invoicing workflows effectively.
Leveraging Cygnet.One’s advanced SAP integration solution, a leading manufacturing firm in Malaysia automated the invoicing process, ensuring seamless compliance with…
Understand the global e-invoicing roadmap for 2025–2027, key mandates, regional timelines, and how enterprises should prepare for real-time compliance.
e-Invoicing in Singapore enables businesses to exchange structured invoices digitally via the PEPPOL network.
It eliminates manual processing and improves accuracy and efficiency.
Any business looking to improve efficiency, accuracy, and digital integration should adopt e-Invoicing.
It is especially beneficial for SMEs and enterprises engaged in B2B or B2G transactions.
InvoiceNow is Singapore’s nationwide e-Invoicing network based on the PEPPOL framework from the GST InvoiceNow Requirement (the mandate), enabling businesses to exchange structured electronic invoices directly between accounting and ERP systems.
GST-registered businesses, particularly those falling within upcoming implementation phases, should prepare for InvoiceNow-based invoice exchange and reporting requirements.
InvoiceNow facilitates the transmission of invoice data in a structured format, helping businesses improve data accuracy, streamline reporting processes, and align with IRAS requirements.
Yes. Businesses can automate outbound invoices to customers and receive supplier invoices directly into their finance systems, reducing manual effort across both AP and AR functions.
Yes. Many global e-invoicing platforms support Singapore InvoiceNow alongside other compliance frameworks such as Malaysia MyInvois, Poland KSeF, France e-Invoicing, and other PEPPOL-based jurisdictions.
