Current scenario – Ref IPT Learning points issued Dec 8

Where CoS is in progress and a “wait” period (“Wait” period means the initial 5 day period after

notification to the Old Supplier – via MM 110), crosses with the Scheduled Billing window being “open”,

300/305 market messages are being sent to the outgoing (current) supplier in advance of the 105L/310

CoS Loss completion messages. This is because the MPRN is billed to available Customer or

Scheduled reads (or is estimated if reads are implausible), while the CoS “wait” period is in operation.

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