Miss. Code § 21-31-7
Immediately after the appointment of the civil service commission, the commission shall organize by electing one (1) of its members chairman. The commission shall hold regular meetings at least once each month, and such additional meetings as may be required for the proper discharge of its duties.
The commission shall appoint a secretary and a board of examiners, which board shall consist of the fire chief (or a person designated by the fire chief from the fire department to serve in his absence), the police chief (or a person designated by the police chief from the police department to serve in his absence), and a third member to be named by the commission, all of whom shall serve without compensation. The secretary shall keep the records and preserve all reports made to the commission, and also a record of all examinations held under the direction of the board of examiners, and perform such other duties as the commission may prescribe. The members of the board and the secretary are subject to suspension and discharge in the same manner as the commissioners.
Miss. Code § 21-31-7