BE – MDentry 
Used to ensure a maximum demand figure is entered on to the Bill Entry screen.
This Validator compares the maximum demand field against the previous invoice; if the previous invoice is greater than 0, then the validator will fail if a maximum demand figure has not been entered.
Validator Set Up
Variables
There are no variables for this Validator
Bill Entry details
Current bill
Previous bill
Failure Prompt
MD entered: FAILED - The name of the Validator
'EnteredMD=0.00' - The figure entered on the current bill, ie 0.00
'PreviousMD=100.00' - the figure entered on the previous bill, ie 100