Current Status: Authority Determination
The Final Modification Report was issued to the Authority on 1st June 2026.
Summary of Modification
This Modification has been raised by CNG Services Limited (CSL). The IGT UNC rules are do not work well for networks with no connection to the GB gas grid, and this proposal excludes them from the IGT UNC.
Progression Timetable
| Initial Panel consideration | 23/01/2026 |
| Initial consideration by Workgroup | 12/02/2026 |
| Workgroup Report presented to Panel | 24/04/2026 |
| Draft Modification Report issued for consultation | 27/04/2026 |
| Consultation close-out date | 19/05/2026 |
| Final Modification Report available for Panel | 21/05/2026 |
| Modification Panel Decision | 29/05/2026 |
| Modification issued to Authority | 01/06/2026 |
Documentation
| Document | Description | Document Type | Author | Date |
| CSL01 | Final Modification Report v1.0 | Adobe PDF | Code Administrator | 01/06/2026 |
| CSL01 | Final Modification Report v0.1 | Adobe PDF | Code Administrator | 21/05/2026 |
| CSL01 | NESO Consultation Response | Adobe PDF | NESO | 19/05/2026 |
| CSL01 | CSL Consultation Response | Adobe PDF | CSL | 18/05/2026 |
| CSL01 | BUUK Consultation Response | Adobe PDF | BUUK | 28/04/2026 |
| CSL01 | Draft Modification Report v1.0 | Adobe PDF | Code Administrator | 27/04/2926 |
| CSL01 | Draft Modification Report v0.2 | Adobe PDF | Code Administrator | 15/04/2026 |
| CSL01 | Workgroup Report v2.0 | Adobe PDF | Code Administrator | 15/04/2026 |
| CSL01 | Workgroup Report v1.1 | Adobe PDF | Code Administrator | 31/03/2026 |
| CSL01 | Draft Modification Report v0.1 | Adobe PDF | Code Administrator | 20/03/2026 |
| CSL01 | Workgroup Report v1.0 | Adobe PDF | Code Administrator | 20/03/2026 |
| CSLo1 | Draft Workgroup Report v0.1 | Adobe PDF | Code Administrator | 05/03/2026 |
| CSL01 | Modification Proposal Form v1.0 | Adobe PDF | CSL | 15/01/2026 |