Enclosed herewith Advisory dtd. 17.06.2026 issued by GSTIN on e-Invoice API and e-Way Bill by IRN API changes for mandatory capture of Ship-to GSTIN and Voluntary Closure of e-Way Bill for your ready reference.
- Implementation Date: The changes shall be implemented with effect from 1st August, 2026.
- Action Required by Stakeholders
All taxpayers, ERP vendors, GSPs, ASPs, private IRPs and other system integrators are advised to access the revised API specifications released in the Sandbox environment; and undertake testing and to ensure complete system readiness before 1st August, 2026.
- Summary of Changes Area Change Introduced
| Area | Change Introduced |
| Generate IRN and e-Way Bill together | ShipDtls.Gstin made conditionally mandatory where Ship details are provided and EWB is required |
| e-Way Bill by IRN | Gstin field added under ExpShipDtls and made mandatory. Optional field TrdNm is added |
| URP | Allowed where Ship-to GSTIN is not available, wherever applicable |
| Validations | Valid GSTIN, distinct Bill-to and Ship-to GSTIN, State Code and PIN Code validations |
| Export EWB | Ship details may be replaced in Export EWB by IRN cases |
| B2B / SEZ | Ship details provided during IRN generation cannot be replaced |
| Voluntary Closure of EWB | Facility introduced for closure after delivery |
| EWB Closure API | Available using EWB number, closure date and remarks |
| Mobile number capture through API | Not available currently |
| API for retrieval of closed EWBs | Not available currently |
| Separate Closed status | Proposed to be introduced in due course |
| Post-closure actions | Currently allowed during initial stabilisation period |
| Sandbox | Changes released |
All are requested to complete testing and system preparedness based on the revised Sandbox specifications.
Kindly go through the enclosed advisory along with earlier advisory in this regards.