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XRN 5950
DSC Invoice Number generation review

Last Updated
27 Jun 2025
Status
Current
Release Type
Unallocated
Implementation Date
TBC
Proposer CDSP Impacted DSC service area

Service Area 10 (Current Apr 21)

Invoicing Customers

Customer Change Team Leader uklink@xoserve.com

Summary

Invoice Numbers for specific Invoice Types are generated and are defined by field length [6] and type [numeric] across all DSC invoice file formats. During Nexus all invoice processes were provided a “range” of invoice numbers to ensure no overlap/duplication across different invoicing areas (Gemini, core (Cap, Com, Amendment) and ad hoc) that use UK Link as the mechanism by which to issue invoices to customers.

This change has been raised to assess options for mitigating the risk surrounding the exhaustion of current DSC invoice number ranges. Development and implementation of an agreed solution will ensure that the CDSP can continue issuing DSC invoices, without interruption, to customers on behalf of NGT and DNOs.

Impacted Customer Types

  • Shipper
  • DNO
  • NGT

Documents

Document title Comment Last updated CHMC outcome
Change Proposal CP raised 26/06/25 For approval at ChMC 09/07/25
Initial Review Stage not yet reached   N/A
High Level Solution Options Stage not yet reached   N/A
Solution Review Stage not yet reached   N/A
Detailed Design Stage not yet reached   N/A
Evaluation Quotation Reports (EQR) Stage not yet reached   N/A
Business Evaluation Reports (BER) Stage not yet reached   N/A
Change Completion Reports (CCR) Stage not yet reached   N/A

Timeline

Change Proposal raised
27/06/25
Status Awaiting ChMC approval
Change development
Solution development
Detailed design
Awaiting delivery
In delivery
Change implemented

Contact the Change Team

Need to get in touch with a member of the Change Team?

You can email us at: uklink@xoserve.com and we'll get back on the same day between the hours of 9:00am to 4:30pm.