Singapore Tax Agency Issues E-Tax Guide on GST InvoiceNow Requirement for Registered Businesses

The Singaporean Inland Revenue Authority March 7 issued guidance on the new requirement for GST-registered businesses to use InvoiceNow to send invoice data to the Tax Agency. Topics covered include: 1) an overview of InvoiceNow, a nationwide e-invoicing network based on international standards; 2) the voluntary early adoption date of May 1; 3) the mandatory adoption dates of Nov. 1, 2025, for newly incorporated companies voluntarily applying for GST registration, and April 1, 2026, for all new voluntary GST registrants; 4) the availability of customizable InvoiceNow-Ready Solutions for purchase, which allow the transmission of invoices between businesses and are connected ...