GST InvoiceNow readiness
We find your InvoiceNow date, pick an InvoiceNow-Ready Solution, and make sure sales and purchase invoice data reaches IRAS by each GST filing date.
SGD 1,200One time
For: New voluntary GST registrants (from 1 April 2026), newly incorporated voluntary registrants (from 1 November 2025), and existing registrants phased from 1 April 2028 to 1 April 2031 by 2025 supplies.
What we need from you
Registration type and date
Phase
Total supplies in 2025
Phase for existing registrants
Accounting software
InvoiceNow-Ready Solution
Customers and suppliers on Peppol
Network
Customer master data with UENs and addresses
Mandatory data elements
What we discuss
Which phase applies?
Dates 2025 to 2031
Does your software support InvoiceNow?
Upgrade or switch
Who submits non-Peppol invoices?
Still transmitted after recording
Grants
S$1,000 transition grant for supplies up to S$4 million
What we file
Phase test
2025 supplies of S$800,000: phase 1 April 2029
Choose solution and Access Point
Transmit invoice data
What you get
Readiness plan with phase date
Process guide
The law
- GST InvoiceNow Requirement (IRAS e-Tax Guide and FAQ): Voluntary registrants from 1 Apr 2026 must transmit invoice data through InvoiceNow; phased to all registrants by 1 Apr 2031 Source
- Goods and Services Tax Act 1993 and GST (General) Regulations: GST return (GST F5) and payment within one month after each accounting period Source
Questions people ask
- InvoiceNow date for an existing GST company
- Purchase invoices under InvoiceNow
- No opt-out for small or zero-rated businesses
- Customers outside the InvoiceNow network
- InvoiceNow grants and free packages
- Customer details needed for InvoiceNow
- Timing to transmit invoice data
- Choosing an InvoiceNow solution
- Businesses with no 2025 GST returns
- Application before the first phase date
Contact us to book
Online payment in SGD is not open yet. Send us a message and an adviser for Singapore confirms the scope and the fee before any work starts.