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XRN 5607
Update to the AQ correction processes (Modification 0816S)

Last Updated
26 Feb 2024
Release Type
Implementation Date
24 Feb 2024
Proposer EON Impacted DSC service area

Service Area 2 (Current Apr 21)

Monthly AQ Processes

Customer Change Team Leader


This Change Proposal has been raised to deliver the requirements set out under UNC Modification 0816 - Update to AQ correction processes.

This Modification proposes to add two further ‘eligible causes’ to the Annual Quantity (AQ) amendment process within TPD G2.3.21 and to prevent AQ amendments being processed where there is no change in value to the AQ.

Impacted Customer Types

  • Shipper
  • DNO


Document title Comment Last updated CHMC outcome
Change Proposal CP raised 13/01/2023 Approved at ChMC 11th January 2023
DSG Discussion N/A 26/06/2023 N/A
High Level Solution Options N/A N/A N/A
Solution Review 3184.1 VO - PO 13/06/2023 Solution option 2 approved at ChMC 12/07/23
Detailed Design 3221.4 - VO - PO 16/10/2023 Approved at ChMC 11/10/23
DSG Discussion N/A 02/10/2023 N/A
February 24 Release e-learning Online e-learning course 12/02/2024 N/A
Evaluation Quotation Reports (EQR) Stage not required   N/A
Business Evaluation Reports (BER) For Approval 16/10/2023 Approved at ChMC 11/10/23
Change Completion Reports (CCR) Stage not yet reached   N/A


Initial Review
CP raised 23/12/22
Status CP will be presented at ChMC for approval at ChMC to proceed into Capture
Approved into capture 11/01/23
Status January ChMC approved into Capture
Solution Consultation
Solution Review Change Pack Issued 12/06/23
Status Consultation closed out on 26/06/2023
Awaiting Delivery
ChMC approved Solution Option 2 12/07/23
Status Detailed Design will commence
In Delivery
Detail Design Change Pack issued 18/09/23
Status Approved at ChMC 11/10/23
Expected: 24/02/24
Status Successfully Implemented

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