(a) The commissioners court by written order may rescind the order designating the county clerk as the voter registrar at any time after two years have elapsed from the date the order was adopted, to become effective on a date stated in the order.
(b) Not later than the third day after the date the rescission order is adopted, the county clerk shall deliver a certified copy of the order to the secretary of state.
(c) On the effective date of the rescission, the county tax assessor-collector is the voter registrar for the county unless the position of county elections administrator is created.