The Joint Storyboards have been updated to provide MEMs guidance on how to perform internal testing, covering both gas and electricity. This is included in Section 4 of the Joint Storyboards document, and includes new scenarios relating to the operational processes defined within the Metering Operations Schedule. The updates have also been discussed with members of the Metering Expert Panel (MEP), who have inputted into the updates. The scenarios cover the following operational processes: • The installation, removal, and replacement / reconfiguration of meters • Change of MEM • Change of MAP • Energisation of metering points • De-energisation of metering points • Change of measurement class • Fault resolution • Proving tests