(a) Not later than the 10th day after the date the commissioners court holds a public hearing under Section 253.005, the commissioners court by certified mail shall send to each record owner of real property in the subdivision or part of the subdivision to be assessed:
(1) a ballot on whether the commissioners court shall order the improvement and assessment; and
(2) an addressed stamped envelope for the return of the completed ballot to the county clerk.
(b) The ballot must state the maximum assessment that could be made against each property in the subdivision or part of the subdivision to be assessed if a majority of the votes received favor the proposition.