means, in relation to a BM Unit, a Contract Trading Party (not being the Lead Party) to whose Energy Account a quantity of Active Energy or (as the case may be) percentage of the BM Unit Metered Volume is to be allocated pursuant to a Metered Volume Reallocation Notification, or nullified pursuant to a Volume Notification Nullification Request; or in relation to a particular Metered Volume Reallocation Notification or a particular Volume Notification Nullification Request, the relevant such Contract Trading Party;