(a) Whenever a majority in value of the owners of real property in any drainage district in this state which was established pursuant to the provisions of special acts of the General Assembly, but which were, by the provisions of § 14-121-208, brought under the provisions of §§ 14-121-101, 14-121-102, 14-121-104, 14-121-105, 14-121-201 — 14-121-205, 14-121-207, 14-121-301, 14-121-304, 14-121-305, 14-121-307, 14-121-310, 14-121-311, 14-121-313, 14-121-401 — 14-121-406, 14-121-408, 14-121-411, 14-121-412, 14-121-422 — 14-121-432, 14-121-440 — 14-121-442, 14-121-802 — 14-121-805, and 14-121-808 shall file petitions with the county court of the county in which the drainage district is located requesting that the membership of the board of commissioners of the drainage district shall be increased from three (3) to five (5) members, it shall be the duty of the county court to appoint, in the manner provided by law, two (2) additional owners of real property in the district as commissioners of the district. Thereafter, the total membership of the board of commissioners of the drainage district shall consist of five (5) members.
(b) Such additional members shall be appointed in the same manner and vacancies in any position shall be filled in the same manner as now provided by law.
(c) All action by the board of commissioners of any drainage district affected by this section shall be a majority vote of the membership of the board of commissioners.