Miss. Code Ann. § 21-33-209

Any qualified municipality wishing to discontinue the collection of the city utility tax may do so by an action of the mayor and board of aldermen or other governing authority adopting an ordinance to that effect. Such ordinance shall be effective after the last day of a month and the tax levy shall not apply to sales made on and after said date. A copy of the ordinance shall be furnished to the chairman of the state tax commission at least seven days prior to its effective date.