To add a new Reject Reason code “IMI” with the description “Interval Metering Installed” in the event that a Supplier sends in a 252 market message requesting a special read for an interval meter.

To add a new Reject Reason code “UMS” with the description “Unmetered Site” in the event that a Supplier sends in a 252 market message requesting a special read for an unmetered site.

To add a new Order Status code “SOTO” with the description of “Supplier Timeout” to be used where the Supplier has received market message 131[S] to re-schedule non-completed fieldwork and Supplier has not re-scheduled within 10 days.

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