Starting November 2025, Singapore will begin enforcing mandatory e-invoicing requirements for newly GST-registered businesses, as part of the phased rollout of the InvoiceNow network.
The requirements are gradually expanding to include all new voluntary GST registrants.
This summary provides a clear breakdown of:
- Who is affected;
- E-invoicing deadlines;
- Technical and compliance requirements.
Use this short guide to ensure your business is fully prepared for Singapore’s e-invoicing mandates and stays compliant with IRAS regulations.