In the monitoring report filed for the twelve-month period ending March thirty-first of each year, the utility shall provide additional schedules indicating the following revenue calculations:
(1) if the utility's earnings exceed the upper end of the range established in the order, the utility shall calculate the reduction in revenue required to lower its return on equity to the midpoint of the range established in the order; or
(2) if the utility's earnings are below the lower range established in the order, the utility shall calculate the additional revenue required to increase its return on equity to the midpoint of the range established in the order.
The utility also shall provide a schedule that specifies changes in its tariff rates required to achieve any indicated change in revenue.
The proposed rate changes, filed by the utility, shall conform as nearly as is practicable with the revenue allocation principles contained in the most recent rate order.