(a) The County Commission of Greene County, by resolution adopted by a simple majority, may authorize and permit the sale of alcoholic beverages, including draft or keg beer, for on-premises consumption at the Greene County Racetrack on Sunday in the same manner as permitted on other days of the week.
(b) This section is cumulative and supplemental to the present power and authority of the county, and this section is not intended to, nor shall it be interpreted so as to, repeal any existing power or authority of the county now permitted under the general laws of the state, or under any local or special act of the Legislature.