Miss. Code Ann. § 69-21-103

The purpose of this article is to supervise and regulate for the public good all commercial aerial application within the State of Mississippi, to establish and promote a close working relationship between the agricultural aviation industry and the Mississippi Department of Agriculture and Commerce, and to regulate the licensing of all persons, including pilots, engaged in the aerial application of pesticides, poisons, seeds, fertilizer and chemicals and to require the registration of all commercial agricultural aircraft.