(a) The provisions of this section shall apply to Coosa County.
(b) The procedure for selling and redeeming lands for taxes in such county shall be the same as provided in Title 40, as amended, except that all such duties as are required of and are performed by the judge of probate and the county treasurer shall be transferred to and be performed by the revenue commissioner of the county, and the judge of probate and the county treasurer shall be relieved of all such duties.