Miss. Code § 23-15-929
Upon the filing of the petition and bond as provided for in Section 23-15-927, the circuit clerk shall immediately, by registered letter or by telegraph or telephone, or personally, notify the Chief Justice of the Supreme Court, or, in his absence, or disability, some other judge of the Supreme Court, who shall forthwith designate and notify a circuit judge or a retired judge on senior status of a district other than that which embraces the county or any of the counties, involved in the contest or complaint, to proceed to the county in which the contest or complaint has been filed to hear and determine the contest or complaint, and it shall be the official duty of the trial judge to proceed to the discharge of the designated duty at the earliest possible date to be fixed by the judge and of which the contestant and contestee shall have reasonable notice, to be served in such reasonable manner as the judge may direct, in response to which notice the contestee shall promptly file his answer, and also his cross-complaint if he has one to prefer.
Miss. Code § 23-15-929