Regulatory updates - Singapore

IMDA releases information on grants to encourage GST InvoiceNow adoption
To encourage early adoption of GST InvoiceNow and reduce onboarding costs, an InvoiceNow‑Ready Solution Provider (IRSP) and connecting via an IMDA‑accredited Access Point (AP) have introduced a phased mandate alongside financial support measures.
Singapore releases new timelines for GST InvoiceNow, extending this obligation to all GST registered businesses
Today, IRAS announced plans to progressively extend the GST InvoiceNow requirement to all GST-registered businesses, with full implementation expected by April 2031.
GST InvoiceNow Requirement- mandatory implementation has begun for some businesses
Newly incorporated businesses that voluntarily register for GST on November 1, 2025, or after must send invoice data to IRAS.
Country Specifications
E-Invoicing/CTC Model:
B2G: Peppol (will be a default) B2B: Post-Audit 5 corner model roll-out for B2G, B2B and B2C
Mandatory Infrastructure:
- B2G: vendors@gov/Peppol - B2B: N/A
Mandatory Format:
- B2G: Peppol BIS SG - B2B: N/A
Mandatory for Issuing:
No explicit requirements - November 2025: Roll-out. First group are those whom register for GST in voluntairy basis. they must transmit invoice data in real time to TA (B2G, B2B, B2C) Peppol preffered method
Mandatory for Receiving:
Buyer's consent required No explicit requirements - November 2025: Roll-out. First group are those whom register for GST in voluntairy basis. they must transmit invoice data in real time to TA (B2G, B2B, B2C) Peppol preffered method
eSignature:
Not required
Archiving Period:
5 years
Archiving Abroad:
Allowed under conditions
Never miss a mandate
Send e-invoices via InvoiceNow with ONESOURCE Pagero
Visit our solution page to find out more about how to send and receive e-invoices via InvoiceNow, also known as Peppol, to achieve efficiencies in your business today.