WILLIAMS RESPONSE
35.714 units (the amount of units between dates in the Channel) x 27 (not 28 for some reason) (the number of days in the bill) = 964.3 (the predicted advance for the billing period)
964.3 units (the predicted advance for the billing period) added to 12345 (the previous reading in the bill) = 13309.3 (validator shows 13308.4)
IF THE BILL PERIOD IS 1/2/20 - 28/2/20, WHY IS THE PROJECTED METER READING 13308 - THE LAST READING IN THE CHANNEL IS 13000 OF 31/3/20 (AFTER THE BILL PERIOD??)
GB – BillReadsAgainstSelfReadChannel
...