Gas Band ppu

GB – GasBandppu

Compares the band rate on the current gas bill against the the previous bill. This Validator will fail if there is a difference (higher or lower) than the previous bill.

Validator Set Up

Variables

Variable	Description
Bill will pass validation if the Query Value is less than (£)	Enter a monitory figure, for example 10. The Validator will only fail if the value of the difference is above £10
Unit rate change threshold (p) )e.g. 0.0001)	Enter a value that you want the Unit rate difference to fail if over. For example, enter 0.01 and if the difference between this bills and the previous bills ppu is more than 0.01p the validator will fail

Bill Entry screen

Current Bill

Previous Bill

Failure Prompt

Gas unit rate has changed from the previous invoice: FAILED - the name of the Validator

'threshold=0.01' - the threshold set in the validator,, allowing 0.01p high or lower than the previous bill

'previous=2.50' - the figure in the Cost rate field (19854) in the previous bill

'MinimumQueryValue=10.00' - the minimum cost of the query, £10.00

'QueryValue=26.42916' - the difference (in £s) between charging the current units at 2.70 (current cost) and 2.50 (previous cost), ie 13214.58 x 0.20 (the difference between 2.50 and 2.70) = £26.42

'present=2.70' the figure in the Cost rate field (19854) in the present bill