Singapore’s GST InvoiceNow e‑invoicing mandate, effective November 2025, requires all GST‑registered businesses to transmit invoices through the national InvoiceNow network using structured XML standards such as SG Peppol BIS or PINT‑SG and to report invoice data to IRAS. The article outlines buyer and supplier responsibilities, handling of exceptions (PDF, cross‑border, inter‑company) and stresses the need for robust process controls and compliance confidence.
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Shared Services Link · 6 days ago
Singapore has extended its e‑invoicing mandate to all new voluntary GST registrants from 1 April 2026, requiring them to use InvoiceNow and send structured invoice data via the Peppol network. Existing GST‑registered businesses are exempt for now, with a broader rollout planned through 2031. The move is part of the city‑state’s digital tax agenda to improve compliance and streamline processes.
RTC Suite · about 2 months ago
Singapore’s GST InvoiceNow e‑invoicing mandate will extend to all GST‑registered businesses with a phased rollout from 1 April 2028 to 1 April 2031, based on annual supply thresholds. Early adopter windows for voluntary registrants began in May 2025, with mandatory transmission required for new registrants by April 2026. The requirement uses the Peppol standard and exempts overseas entities and reverse‑charge‑only registrants.
VatCalc · about 2 months ago
The Inland Revenue Authority of Singapore (IRAS) has announced a phased rollout of e-invoice data reporting via its InvoiceNow network, based on the Peppol standard. The schedule requires domestic-only businesses to adopt the system from 1 April 2026, with subsequent deadlines for new and existing GST registrants up to 2031. The move also confirms the adoption of Peppol for B2G transactions, expanding the platform’s use for cross‑border invoicing.
BusinessTimes · about 2 months ago
Singapore’s 2026 budget introduces a requirement for all GST‑registered businesses to submit digital invoices via the InvoiceNow e‑invoicing network by April 2031. The government will roll out free InvoiceNow‑Ready software and cash grants up to S$5,000 to support the transition, prioritising smaller firms. Since Nov 1 2025, newly incorporated GST‑registered companies have already been required to transmit invoice data through InvoiceNow.
IRAS · about 2 months ago
Singapore’s tax authority IRAS has announced that all GST‑registered businesses must transmit invoice data via the InvoiceNow e‑invoicing network, with phased implementation dates from 2025 to 2031. The requirement applies to voluntary and compulsory registrants based on incorporation date and annual supply thresholds, while overseas entities and reverse‑charge‑only businesses are exempt. Businesses can adopt InvoiceNow‑Ready solutions, free‑of‑charge packages, or IMDA‑accredited access points to comply.
IRAS · 3 months ago
This IRAS guidance outlines the steps for GST registration in Singapore, including e‑learning requirements, GIRO processing, effective dates, and special provisions for overseas entities. It details processing timelines, backdating rules for compulsory registration, and agent appointment obligations for foreign suppliers.
Invoices must use structured XML standards such as SG Peppol BIS or PINT‑SG.
The mandate became effective in November 2025.
GST‑registered businesses that are in‑scope must transmit invoices through InvoiceNow.
Even PDF and cross‑border invoices may still need to be reported to IRAS.
This summary was published on VATfaqs.com on 21 April 2026. It relates to VAT developments in Singapore. The original source is Basware.
