The Change Process

The role of the Panel is to consider changes that have been raised, and recommend to the Authority whether these proposed changes should be implemented in the market codes.

MOSL, in its role, supports the change process by establishing working groups and managing consultations on the instruction of the Panel. We encourage parties that are considering raising a change to contact MOSL in advance so that we can support the Proposer develop the change.

Raising a Change

To raise a Change for the Panel to consider, please contact change@mosl.co.uk with your Change Proposal, using the templates provided in the Related Documents section at the bottom of this page.

When raising a change please be aware of the Change Timetable, which sets out the deadline for when a change proposal needs to be raised in order to be considered at the next Panel meeting.

What happens next? Once a change has been raised, the formal process is:

Change Register

The Change Register is a new standalone register containing information on all the change proposals raised, past or present.

All information relevant to each Change Proposal, such as the original proposal, Assessment and Recommendation Reports, Industry Consultations and Working Group papers and minutes, are accessible via tool below, which provides a life-cycle view of the change.

In addition to the Change Register, you can also track a change via the Panel Change Proposal Log.

If you have any questions in relation to this new feature, please contact the Panel Secretary.

Change Register search bar below

The Change Report

The Change Report details the status and activity of all in flight Change Proposals, and their expected implementation dates . This report also provides a review of forecasted pipeline changes provided by Trading Parties. This report is published on a monthly basis to the Panel.

Implementation Date

Reference Title Status Implementation Date
CPW001Cross Border Matters Implemented 02 Oct 2017
CPW002CSD0301 Updates - Meter Treatment Implemented 02 Oct 2017
CPW003CSD0301 Updates - Meter Networks Implemented 02 Oct 2017
CPW004CSD0301 Updates - Meter Networks (Future) Implemented 02 Oct 2017
CPW005Self Supply Implemented 03 Jul 2017
CPW006CSD0301 - New data item updates Implemented 02 Oct 2017
CPW007Alignment to Customer Protection Code of Practice Implemented 02 Oct 2017
CPW008Direction to Supply Implemented 02 Oct 2017
CPW009CSD 0302 updates - alignment with CSD 0301 Implemented 02 Oct 2017
CPW010Emergency Contact Details Implemented 28 Sep 2018
CPW011New Read Type D3010 Withdrawn -
CPW012Flags on D1 Disaggregated Settlement Report Rejected -
CPW013Meter Reading Validation Rejected -
CPW014CSD 0301 Updates Implemented 18 May 2018
CPW015CSD 0101 Clarification Implemented 02 Oct 2017
CPW016CSD0104 Clarification – Meter Networks Implemented 02 Oct 2017
CPW017CSD0105 Clarifications and updates Implemented 02 Oct 2017
CPW018Clarification of Unsecured Credit Allowance Implemented 23 Apr 2018
CPW019Alternative Eligible Credit Support Implemented 31 Jul 2018
CPW020Proposal to amend the wording in the F02 Complaint Form Implemented 01 Dec 2017
CPW021Negotiating Alternative Eligible Credit Support reasonably and in good faith Implemented 14 Jul 2017
CPW022New Connection Retailer Unknown Implemented 18 May 2018
CPM001Change Proposal Form Update Implemented 03 Jul 2017
CPM003Revised MIMP Committee Composition Implemented 01 Dec 2017
CPM004Board Nomination Process Extension Implemented 15 Sep 2017
ICP/WRC003Alignment with Exit Regulations Implemented 02 Oct 2017
ICP/WRC036Data Format Updates Implemented 02 Oct 2017
ICP/WRC048Tariff Table Updates Implemented 02 Oct 2017
ICP/WRC051Performance Charge Alignment with ISA Implemented 02 Oct 2017
ICP/WRC053SPID Pairing Updates Implemented 02 Oct 2017
ICP/WRC055Trade Effluent Updates - SVAM Subtract and Calculated Discharge Frequency Implemented 02 Oct 2017
ICP/WRC059Settlement Updates Implemented 02 Oct 2017
CPW025Extending TCORR Functionality for Inactive Data Items Implemented 17 May 2019
CPW024Settlement Renaming and Report Issuing Updates Implemented 01 Dec 2017
CPW023Market Entry and Re-Assurance Updates Implemented 12 Mar 2018
CPW027QC Error Code Implemented 18 May 2018
CPM006Introducing a process for Urgent Change Proposals Assessment -
CPW026Removing SPID version design Implemented 28 Sep 2018
CPW028Unpaired SPIDs Implemented 26 Oct 2018
CPW031Extending the new connection suspension period Implemented 03 Mar 2018
CPW029 & CPM007GDPR and Data Protection Provisions Updates Implemented 30 Mar 2018
CPW030Review of Market Performance Standards Implemented 01 Apr 2018
CPW032Amend H/04 to clarify Tariff effective date Implemented 28 Sep 2018
CPM009Further Board Nomination Process Extension Implemented 16 Mar 2018
CPM005Market Entry and Re-Assurance Updates Withdrawn -
CPW033Meter effective to date field in MDS_METER report Implemented 26 Oct 2018
CPM010Amendments to the Retailer Board Nomination Process Implemented 31 Jul 2018
CPW036G/02 Form Amendments and G/03 Temporary Consent Form Implemented 28 Sep 2018
CPM011MOSL invoices and payment terms Implemented 31 Jul 2018
CPW034Housekeeping changes to CSD 0301 Implemented 25 May 2018
CPM008Redistribution of Market Performance Standards Charges Implemented 29 Mar 2019
CPW035F01 Form Amendments Implemented 28 Sep 2018
CPW037Removing the Error Codes list from CSD 0301 Implemented 28 Sep 2018
CPW038Tariffs Report updates Implemented 17 May 2019
CPW039 & DCP002Deferral of Final Settlement Runs Implemented 31 Aug 2018
CPW040Changes to the contents of the NAPS Report Implemented 17 May 2019
CPW041G read removal governance Implemented 29 Mar 2019
CPW042Provision of adding re–read flag into the MDS Meter Reads file Implemented 17 May 2019
CPW043Drafting clarifications for CPW028 Implemented 26 Oct 2018
CPW044Digital Certificates & Public Keys updates Implemented 03 Dec 2018
CPW045Updates to the Service Management Interface Implemented 03 Dec 2018
CPW046Changes to the unplanned settlement process Implemented 03 Dec 2018
CPW047Enabling Sewerage Wholesalers to create meter networks Implemented 26 Jul 2019
CPW048Alternative Payment Terms Implemented 31 Jan 2019
CPW049 & CPM012Operational Performance Standards Review Implemented 01 Apr 2019
CPW050Changes to the Long Unread Meters Report Implemented 26 Jul 2019
CPW051Market Incident Management Plan amendments Implemented 29 Mar 2019
CPW055Wholesale Retail Code inconsistency Implemented 28 Feb 2019
CPW052Improving transparency of Alternative Credit Arrangements Implemented 29 Mar 2019
CPW053MO Transaction Processing and Reporting Implemented 17 May 2019
CPW054Housekeeping Changes to Market Codes Implemented 29 Mar 2019
CPW056Cascade Erasure Awaiting Implementation 08 Nov 2019
CPM013Adding the Customer Representative as a Voting Panel Member Implemented 20 Sep 2019
CPW057Improving transparency of Credit Guarantee Arrangements Awaiting Implementation 30 Sep 2019
CPW058Removing Processes A1-A5 (Developer Services) Implemented 26 Jul 2019
CPM014Market Performance Standards Charges Redistribution Payment Clarification Implemented 26 Jul 2019
CPM015 & CPW071Panel self-governance Change Proposal -
CPM016Panel Voting Majorities Implemented 23 Aug 2019
CPW062Household Indicator Flag Awaiting Authority Decision 15 May 2020
CPW066Estimation Review Awaiting Authority Decision 08 Nov 2019
CPW060Clarifying credit scores and ratings for the purposes of Unsecured Credit Allowances Awaiting Implementation 30 Sep 2019
CPW061Unsecured Credit Allowance reflecting payment history Assessment -
CPW063Chargeable Data - Fixed RTS Change Proposal -
CPW064Changes to Corrective Settlement Runs for Individual Supply Points Awaiting Authority Decision 08 Nov 2019
CPW065Retailer Notifications Awaiting Implementation 15 May 2020
CPW067Bulk Submission of Service Requests via MS Excel Awaiting Authority Decision 08 Nov 2019
CPW068 & CPM017Market Incident Management Plan Committee Revisions Assessment -
CPW059Changes to Review Obligations Awaiting Authority Decision 08 Nov 2019
CPW069Right of a Retailer to appoint an Accredited Entity to repair or replace a faulty meter when a Wholesaler misses the associated SLA Industry Consultation -
CPW070Bilaterals Interface Solution Change Proposal -
CPW072Setting MPS 15 charges to zero Awaiting Implementation 01 Nov 2019
CPM018Treatment of Market Performance Standard charges and Operational Performance Standard charges Change Proposal -
CPW073Updates to GDPR Personal Data Warnings in CSD 0301 Industry Consultation 14 Feb 2020
CPW074Introduction of a Retailer SLA in relation submission of trade effluent market forms to Wholesalers Change Proposal 14 May 2020
CPW075Settlement Estimation - Remove estimated meter readings when forward estimating Change Proposal -
CPW076Change to the current KPI for CSD002 OPS Measure C1a Change Proposal -
CPW077Indicator on Trade Effluent Sample Strengths Assessment 06 Nov 2020
CPW078Priority Performance Regime Changes for April 2020 Assessment 01 Apr 2020
CPM019GDPR Data Security Standards Change Proposal -

Change Timetable

The below table highlights the last day in which change proposals can be raised in order to be consideration at the next Panel meeting.

We encourage Trading Parties that are considering on raising a change to contact MOSL at least one month in advance of the specified dates below. MOSL will then work with the Proposer to support and shape the development of the change and to ensure any questions are clarified in advance of the change being considered by the Panel.

Note: A Change Proposal is officially confirmed as raised once the Change Proposal has been given a unique reference number by MOSL and has been published on the MOSL Website.

24 September 20193 September 2019
Panel date Last Day to raise change
28 May 2019 6 May 2019
25 June 2019 4 June 2019
23 July 2019 2 July 2019
27 August 2019 5 August 2019
24 September 2019 3 September 2019
29 October 2019 8 October 2019
26 November 2019 5 November 2019
10 December 2019 19 November 2019

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