E-Invoicing in Singapore

Singapore has established itself as a pioneer in digital invoicing by launching the nationwide e-invoicing network in 2019 InvoiceNow based on the international Peppol standard. This system enables companies to exchange structured electronic invoices efficiently and securely, reducing manual processes and the risk of errors. Infocomm Media Development Authority (IMDA) acts as the national Peppol authority and ensures that the technical standards are met. A voluntary phase will start in May 2025, during which companies will have the opportunity to prepare for the use of InvoiceNow. From April 2026, the use of InvoiceNow mandatory for all newly registered GST companies.

Timeframe

2019: Launch of InvoiceNow, the nationwide e-invoicing network based on the international Peppol standard.

May 2025: Start of voluntary participation (soft launch) for all GST-registered companies.

November 2025: Mandatory use of InvoiceNow for newly established businesses that voluntarily choose to register for GST.

April 2026: Extend the obligation to all new voluntary GST registrants, regardless of the date of incorporation or the type of business.

applicability

The e-invoice primarily covers Business-to-Government (B2G) and Business to Business (B2B) transactions.

format

Peppol BIS Billing 3.0 – Format.

Electronic signature

Electronic signatures are not mandatory.

Archiving

E-invoices must 5 years long be archived.


For more information on e-invoicing in Singapore:

https://www.iras.gov.sg


e invoice 2

GOpus® eInvoice

Our GOpus® eInvoice The solution integrates with SAP ERP and SAP S/4HANA and supports the creation of outgoing e-invoices in all international country formats. This allows you to create and send all your invoice content between different international invoice issuers and recipients directly from your SAP system, and to archive all invoice documents with comprehensive monitoring. Integration with the SAP modules SD, FI, MM, RE/FX, IS-H, IS-U, and SAP Service Billing is possible. Further integrations are available upon request.


Do you have further questions about our solution or would you like to learn more about e-invoicing regulations in Singapore?

We will be happy to personally assist you with any further questions you may have about our solution and the regulations.

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