Singapore Mandatory e-Invoicing 2026–2031 | InvoiceNow Guide

Singapore has officially announced its roadmap to mandatory e-Invoicing, confirming the transition timeline through InvoiceNow, the country’s nationwide Peppol-based e-Invoicing network.

Starting in April 2026, e-Invoicing via InvoiceNow will be mandatory for new voluntary GST registrants. Between 2028 and 2031, the mandate will progressively expand to include all GST-registered businesses in Singapore.

In this video, we explain the key milestones of the Singapore e-Invoicing mandate, how the Peppol 5-corner model works, and what this means for finance, tax and IT teams.