Reverse Charge Self-Invoices Join E-Invoicing: Sandbox Is Open, Production Date Not Yet

GST e-invoicing for reverse charge self-invoices

If your company pays GST under reverse charge, for example IGST on an overseas software subscription, your ERP has new homework. GSTN's advisory of 16 October 2026 extends e-invoicing to the self-invoices a registered recipient issues in these cases. Testing is open in the sandbox of all six IRPs and the NIC e-Invoice API sandbox. The production date will come later.

Two new codes to know

  • RCMDOM: self-invoices for specified domestic supplies received from unregistered persons.
  • RCMIMP: self-invoices for services imported from overseas suppliers.

A self-invoice that passes IRP validation gets an IRN, just like a normal e-invoice. The current e-invoicing threshold is aggregate annual turnover of ₹5 crore or more, subject to notifications.

What finance and IT can do this month

  • Confirm whether your turnover crosses ₹5 crore.
  • Clean up vendor masters so overseas and unregistered suppliers are clearly flagged.
  • Ask your ERP or GSP partner for a support date and sandbox access.
  • Expect month-end-only RCM routines to need a more regular rhythm once reporting starts.

Not tax advice; check with your GST adviser.

Read the full update here: GST e-invoicing for RCM self-invoices

Published by Affix Center, a Mumbai-based IT services company. Learn about our ERP and software engineering work.

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