MPD 2 – QH Change of Supplier was baselined in the Retail Market Design at version 6.0, as detailed
within MCR 094, as part of the suite of changes to satisfy new requirements of SEM implementation.
Whereas the validation rule within the Supplementary Information, Registration Validation Rules for a
Change of Supplier (QH Metered), currently reads:
Where the CoS contains a Trading Site Supplier Unit the registration request must be consistent
with the Wholesale Market Registration details.
This should be updated to read:
Where the CoS contains a Trading Site Supplier Unit the registration request must be consistent
with the Wholesale Market Registration details.

Click here to read the document.