Any and all pit meters shall be read once every six (6) months, from which an average bill will be computed, billed and collected each month thereafter. After each reading, adjustment shall be made by the utility so that the difference in the actual consumption in the previous six (6) months is adequately paid, with any deficiency billed and due within twenty one (21) days of billing, and any overpayment refunded within twenty one (21) days.
(Res. No. 93-10, § 5, 6-9-1993)