Miss. Code Ann. § 59-7-501: Miss. Code Ann. § 59-7-501

The board of supervisors of any county which has elected or hereafter may elect to establish a port commission under the provisions of Article 3 of this chapter, and which desires to improve its port and harbor facilities by the construction, maintenance and operation of any revenue-producing port and/or harbor facility or facilities may issue revenue bonds of such county to provide funds for such purpose.