Code Modifications

Under section 2.4.4 of their Gas Conveyance Licences TSO's are required to establish and implement procedures for the modification of the NI Network Gas Transmission Code. The overall code modification process is designed to enable stakeholders to propose modifications to the Code which are then subject to consultation and approval by NIAUR.

The code modification process for the Code is defined in the Code Modification Rules.


Live Modifications

No 6 Brexit Modifications

Proposed Modification No 6 Brexit Modifications


No 7 South Section

Proposed Modification No 7 South Section

Code Modification Rules – Application for Change No 1


No 9 Non-IP Entry Point and Stranraer Arrangements

Proposed Modification No 9 Non-IP Entry Point and Stranraer Arrangements

OS Scheme and CMP Methodology Statement Consultation

OS Scheme and CMP Methodology Statement Consultation Markup


No 10 Arrangements for the ROI System Exit Point

Proposed Modification No 10 Arrangements for the ROI System Exit Point

If there are any comments in relation to the Modifications proposed please contact: shippercommunications@gmo-ni.com


Approved Modifications (Click to expand)

No 1 Introduction Of A Capacity Conversion Service

Proposed Modification No 1 Introduction Of A Capacity Conversion Service

Proposed Modification No 1 Consultation Response (AES)

Final Modification Report No 1 - Capacity Conversion

Proposed Modification No 1 Approval Letter

No 2 Amendment Of Timescales For The Shipper Forecast Information Request

Proposed Modification No 2 Amendment Of Timescales For The Shipper Forecast Information Request

Proposed Modification No 2 Consultation Response (AES)

Proposed Modification No 2 Consultation Response (SGN NG)

Final Modification Report No 2 - Shipper Forecast Information Request

Proposed Modification No 2 Approval Letter

No 3 Credit Section Update

Proposed Modification No 3 Credit Section Update

Proposed Modification No 3 Legal Text Mark Up

Proposed Modification No 3 Consultation Response (ESB)

Proposed Modification No 3 Consultation Response (fe)

Proposed Modification No 3 Consultation Response (PNGL)

Final Modification Report No 3 Credit Section Update

Modification No 3 Final Legal Text

Modification No 3 Approval Letter

No 4 Code Housekeeping Update  

Proposed Modification No 4 Code Housekeeping Update

Proposed Modification No 4 Code Housekeeping Update Legal Text Mark Up

Proposed Modification No 4 Consultation Response (AES)

Final Modification Report No 4 - Code Housekeeping Update

Modification No 4 Legal Text Mark Up

Modification No 4 Approval Letter

No 5 Extension to the West Transmission System

Proposed Modification No 5 Extension to the West Transmission System

Proposed Modification No 5 Consultation Response (FeDl)

Final Modification Report No 5 Extension Of The West Transmission System

Modification No 5 Approval Letter

No 8 Tolerance and Reallocation Changes

Proposed Modification No 8 Tolerance and Reallocation Changes

Proposed Modification No 8 Consultation Response (ESB)

Proposed Modification No 8 Consultation Response (feDL)

Proposed Modification No 8 Consultation Response (feSL)

Proposed Modification No 8 Consultation Response (PNGL)

Proposed Modification No 8 Consultation Response (PPB)

Final Modification Report No 8 Tolerance and Reallocation Changes

Modification No 8 Approval Letter

Do you smell gas?

0800 002 001

Call Now