Miss. Code Ann. § 17-1-5: Miss. Code Ann. § 17-1-5

Except as otherwise provided in Article VII of the Chickasaw Trail Economic Development Compact described in Section 57-36-1, in the exercise and enforcement of the powers conferred by Sections 17-1-1 through 17-1-27 , inclusive, each county and each municipality within the county may act independently one from the other, or, in the exercise of discretion, the governing authority of any county and the governing authority of any municipality located within the county may act jointly in order to attain uniformity and consistency in the zoning regulations for the areas to be affected.