E-invoicing in Singapore
Singapore pioneered Peppol-based e-invoicing in ASEAN through its InvoiceNow network. While mandatory only for B2G suppliers today, wider B2B mandates will begin in May 2025 and fully rollout by April 2026 for GST-registered companies.
- Overall mandate status
- Mandatory
- Tax authority
- Inland Revenue Authority of Singapore (IRAS); technical network governed by IMDA.
- Last updated
- 29 Jul 2025Taken from government sites
Requirements at a glance
Country overview
Singapore pioneered Peppol-based e-invoicing in ASEAN through its InvoiceNow network. While mandatory only for B2G suppliers today, wider B2B mandates will begin in May 2025 and fully rollout by April 2026 for GST-registered companies.
Legal basis
- Legislation
- Based on IMDA’s Peppol adoption and IRAS guidance; deadlines published via InvoiceNow rollout schedule.
- Authority
- Inland Revenue Authority of Singapore (IRAS); technical network governed by IMDA.
Requirements by transaction type
Key dates and implementation phases
Only dates from the country data are shown. Each milestone is labelled Confirmed, Proposed, or Pending confirmation.
Technical requirements
Latest updates for Singapore
All updates
9 of 9 updates
- B2G
Advanced Ordering and Order Balance Enhance Invoice Automation in InvoiceNow
Singapore enhances InvoiceNow with Advanced Ordering and SG BIS Order Balance, enabling automated purchase order management, invoicing, and transaction reconciliation.
- B2G
Singapore Implements Invoice Response for B2G E-Invoices
Singapore introduces Invoice Response for B2G e-invoices, allowing suppliers to receive real-time invoice status updates via InvoiceNow and reducing manual tracking.
PINT SG Implementation Update Aligned with Singapore’s National E-Invoicing Program
Singapore updates PINT SG implementation timelines and Peppol specifications to align with the GST InvoiceNow Requirement and the national e-invoicing framework.
- B2BB2G
Singapore Introduces Phased CTC E-Invoicing Obligation from November 1, 2025
Singapore introduces the GST InvoiceNow Requirement, mandating phased B2B e-invoicing via Peppol CTC from November 2025 for GST-registered businesses.
Singapore Publishes Updated PINT-SG Specifications and Implementation Timeline
Singapore releases updated PINT-SG specifications and confirms timelines for migrating from SG BIS 3.0 to PINT, with mandatory adoption starting in 2025.
- B2G
Singapore Government Begins Sending E-Invoices via the Peppol Network
Singapore government agencies begin sending e-invoices via Peppol InvoiceNow, enabling businesses to automate inbound invoicing and reduce processing costs.
Singapore Announces Adoption of Peppol CTC to Strengthen GST Administration
Singapore confirms adoption of the Peppol CTC framework to enhance GST administration, with InvoiceNow set to expand as the default e-invoicing channel for government vendors.
Singapore Enhances Procurement Efficiency Through Peppol Updates
Singapore expands Peppol e-documents with electronic orders and invoice responses, helping businesses improve procurement efficiency, reduce costs, and streamline workflows.
- B2BB2G
Singapore Moves Toward Nationwide E-Invoicing
Singapore explores nationwide B2B e-invoicing as IMDA evaluates global standards, with Peppol emerging as a likely framework to improve efficiency and interoperability.
Related countries
Same region: Asia PacificDiscuss your Singapore e-invoicing needs
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