Miss. Code Ann. § 57-31-29: Miss. Code Ann. § 57-31-29

The carrying out of the corporate purposes of the authority is in all respects for the benefit of the people of such county and is a public purpose, and the authority will be performing an essential governmental function in the exercise of the powers conferred upon it by this chapter. Hence, any property owned or held by the authority or under its jurisdiction under the provisions of this chapter shall be exempt from all taxation in the State of Mississippi.