Notwithstanding any other provision of law to the contrary, the mayors of the municipalities of Benton, Blanchard, Brusly, Delcambre, Erath, Golden Meadow, Greenwood, Jean Lafitte, Kinder, Oak Grove, Port Barre, Richwood, Simmesport, and White Castle may also impose additional court costs not to exceed twenty dollars for each offense, as defined by ordinance, on any defendant convicted of a violation of a municipal ordinance.
La. R.S. § 33:447.2