Current Live Ancillary Documents
| Document Title | Description | Type | Live From | Author |
| File Format Document – Project Summary Notification (PSB) v1.5 Clean | Format-Document-Project-Summary-Notification-(PSB)-v1.5 | Adobe PDF | 28/02/2020 | Code Administrator |
| File Format Document – Project Summary Report (PSA) v1.6 | File Format Document – Project Summary Report (PSA) | Adobe PDF | 28/02/2020 | Code Administrator |
| CSEP NExA Tables V1.11 | Ancillary Document CSEP NExA Tables 1.11 | Adobe PDF | 27/02/2026 | Code Administrator |
| Pipeline Operation Standards of Service Query Management | Pipeline Operation Standards of Service Query Management – Operational Guidelines v2.6 | Adobe PDF | 26/06/2026 | Code Administrator |
| IGT Password Protection Protocols | Password Protection Protocol V5.0 | Adobe PDF | 26/02/2021 | Code Administrator |
| IGT Transportation Charges Invoice Template Document | IGT Transportation Charges Invoice Template Document V1.5 | Adobe PDF | 08/11/2024 | Code Administrator |
| IGT CSEP NExA Table Review Procedure | CSEP NExA Table review Procedures Document v1.8 | Adobe PDF | 27/02/2026 | Code Administrator |
| IGT Non-Domestic New Connections Ancillary Document V1.2 | IGT Non-Domestic New Connections Ancillary Document v1.2 | Adobe PDF | 27/06/2025 | Code Administrator |
| IGT Domestic New Connections Ancillary Document V1.4 | IGTs New Connections Domestic Sites Only v1.4 | Adobe PDF | 27/06/2025 | Code Administrator |
| SoS Appendix | Standards of Service Query Templates | Excel Spreadsheet (Office 97-2003) | 17/06/2009 | Code Administrator |
| IGT UNC Innovation Derogations Guidance | IGT UNC Derogations Guidance Document v1.1 | Adobe PDF | 26/06/2026 | Code Administrator |
Pre-Release Ancillary Documents
| Document Title | Description | Type | Release Date | Author |
| There are currently no Pre-Release Ancillary Documents available at this time. | ||||
IGT UNC Releases
Information regarding IGT UNC Releases, including our current Release Schedule, the next scheduled Release, and past implemented Releases, can be found on the IGT UNC Releases page. A copy of the current live Code, as well as pre-Release copies of the Code, can be found on the IGT UNC Code page.