Municipalities and counties in this state may enact ordinances that are in compliance with, but not more restrictive than, the provisions of this article. Any order, ordinance or regulation existing on April 28, 2004, of Sections 75-67-115, 75-67-215, 75-67-247 and this section, or any order, ordinance or regulation enacted after April 28, 2004, of Sections 75-67-115, 75-67-215, 75-67-247 and this section, that conflicts with any of the provisions of this article shall be void to the extent of the conflict.