You can raise a modification – or mod – when you want to propose a change to any part of the CUSC.

For more information, please contact [email protected]

Search for any current or concluded modifications by name or ID. You can sort mods by ID, name, status or date of update.

Modification status
ID Name Status Last Updated Sort ascending
CAP140 CAP140 - Change to BSC Party Obligation Concluded
CAP160 CAP160 - Improvements to the assessment of Amendments Concluded
CMP196 CMP196: Revisions to "recommendations" in the final CUSC Modification Report Concluded
CAP101 CAP101 - Removal of the Amendments Panel Chairman’s Casting Vote – In context of Amendments Panel Recommendation vote Concluded
CAP085 CAP085 - Revised Treatment of Housekeeping Amendments Concluded
CAP053 CAP053 - Reconciliation of Site Specific Maintenance Charges Concluded
CAP022 CAP022 - Urgent Amendment Proposals – Review Process Concluded
CMP218 CMP218: Changes required for use of a new banking product to hold users' cash securities Concluded
CMP239 CMP239: Grandfathering Arrangements for the Small Generator Discount Concluded
CMP256 CMP256: Potential consequential changes to the CUSC as a result of CMP244 Concluded

More about modifications

Modification Tracker

Our Tracker gives you the latest details on current code modifications including the purpose and the stakeholders it affects, as well as panel comments and where it is in the review process. It is published on the 7th (or next working day) of each month.

Modification Proposal Form

If you're thinking about raising a modification, please get in touch with us. Our experts can give you advice on your Proposal, explain how the modification process works and help to answer any questions you may have. When we receive your Proposal, we'll check it through and work together to make sure it's easy to understand.

Calendar

Once you've been in touch and are ready to write your Proposal paper, send it to us by the monthly modification submission date which you can find on our Calendar.