Miss. Code Ann. § 19-3-51: Miss. Code Ann. § 19-3-51

The board of supervisors shall have power to subpoena witnesses in all matters coming under its jurisdiction and to fine and imprison any person for a contempt committed while they are in session, the fine not to exceed Fifty Dollars ($50.00), and the imprisonment not to extend beyond the continuance of the term. The person so fined or imprisoned may appeal to the circuit court, as in other cases, from the order or judgment of the board, and such appeal shall operate as a supersedeas.