When setting up a contract like this, the Meter Setup only requires the Meter Name, Calc Type, Meter Type, Billing Stock Code, Card Code to Invoice and the rates.
At the right hand end of the meter setup, if the meter is not disabled you need to set it to R – Required
Further information
PMP Contract with Quarterly Bi-Annually Yearly Overs Reconciliation
Black A3 and Black A4 Meter Min Volume Over the Two Meters
Black A3 and Separate A4 Meter