Modification raised by Indigo Pipelines on 18th June 2021
| Document | Description | Document Type | Author | Publication Date |
| IGT157 | Revised Notice of Implementation | Adobe PDF | Code Administrator | 18/10/2021 |
| IGT157 | Final Modification Report (post Panel) | Adobe PDF | Code Administrator | 18/10/2021 |
| IGT157 | Notice of Implementation | Adobe PDF | Code Administrator | 24/09/2021 |
| IGT157 | Consultation Response – SSE | Adobe PDF | Code Administrator | 21/09/2021 |
| IGT157 | Consultation Response – EAP | Adobe PDF | Code Administrator | 21/09/2021 |
| IGT157 | Consultation Response – BUUK | Adobe PDF | Code Administrator | 21/09/2021 |
| IGT157 | Final Modification Report (Pre-Panel) | Adobe PDF | Code Administrator | 21/09/2021 |
| IGT157 | Draft Modification Report | Adobe PDF | Code Administrator | 27/08/2021 |
| IGT157 | Workgroup Report | Adobe PDF | Code Administrator | 20/08/2021 |
| IGT157 | Modification Proposal | Adobe PDF | Indigo Pipelines | 18/06/2021 |