|Current Status||Closed||Implementation Date||N/A|
|During testing relating to the implementation of changes to MAP14 (Procedure for the Allocation of PPM Payments against an Incorrect Device), Parties have raised concerns regarding the presence of duplicate Meter Serial Numbers (MSNs) within the ECOES dataset.
This may be caused by a number of issues, including historical re-use of serial numbers prior to the current standards as noted in WP76 (Distribution Business Allocation of NHH Meter Serial Nos.), and the use of common serial numbers with different Meter Types.
There are a number of views on the definition of ‘duplicate’ in this area, broadly these fall into three categories:-
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