Each IGT has, and maintains, a network code that contains terms and conditions that relate only to that IGT. These Individual Network Codes of IGTs can be downloaded from the table below.
Contact details for IGTs can be found in the ‘Who are the IGTs’ section of the website.
PAST IGT NETWORK CODE RELEASES
Previous versions of the INCs can be provided on request to the IGT UNC Representative.
| Document Title | Description | Type | Pub Date | Author |
| Stark Infra-Gas Ltd | Version 1.0 | Adobe PDF | 05/11/2024 | |
| CNG Services Limited | Version 1.0 | Adobe PDF | 29/07/2024 | CNG |
| Leep Gas Networks Limited | Version 1.0 | Adobe PDF | 14/01/2019 | Leep Gas Networks Limited |
| MUA Gas Ltd | MGN S2 | Adobe PDF | 30/06/2023 | MGN |
| Harlaxton Gas Networks Ltd | HGN INC v1.0 | Adobe PDF | 26/03/2018 | HGN |
| Independent Pipelines Ltd | IPL INC v6.0 | Adobe PDF | 30/06/2023 | IPL |
| Quadrant Pipelines Ltd | QPL INC v6.0 | Adobe PDF | 30/06/2023 | QPL |
| Fulcrum Pipelines Ltd | Fulcrum INC v9.0 | Adobe PDF | 01/06/2017 | Fulcrum |
| GTC Pipelines Ltd | GPL INC v4.0 | Adobe PDF | 01/06/2017 | GPL |
| Indigo Pipelines Ltd | Indigo Pipelines INC v4.1 | Adobe PDF | 26/06/2020 | Indigo |
| Energy Assets Group Limited | EAGL V1.0 | Adobe PDF | 29/11/2016 | EAGL |
| Last Mile Gas Limited | v5.0 | Adobe PDF | 09/12/2019 | Last Mile Gas Limited |
| GTC Appendix 1 | GTC INC v3.2 Appendix 1 CSV File formats for Change of Supply and Change of Supply Meter Reading Process | Excel Spreadsheet (Office 97-2003) | 04/11/2011 | GTC |
| ESP Pipelines | INC | Adobe PDF | 06/06/2007 | ESP |
| ESP Connections Ltd | INC | Adobe PDF | 06/06/2007 | ESP |
| ESP Networks Ltd | INC | Adobe PDF | 06/06/2007 | ESP |
| ES Pipelines | INC | Adobe PDF | 06/06/2007 | ESP |