Miss. Code Ann. § 51-7-21

If the original plan was made only as to a part of the area within the master water management district, plans for any subsequent projects or works for the remaining area or any part thereof shall be submitted to the chancery court for approval in the manner provided herein, and all provisions and procedures of Sections 51-7-15 through 51-7-21 shall be applicable thereto, except that disapproval of such partial plans shall not terminate the organization of the district or the terms of office of the commissioners thereof.