22 Miss. Code. R. 20-10-100
In any matter subject to hearing pursuant to these rules, the hearing officer shall have the authority to do any act and take all measures necessary for the maintenance of order and for the efficient, fair and impartial adjudication of issues arising in proceedings governed by these rules, including, but not limited to, authority to hold pre-hearing conferences; conduct hearings to determine all issues of fact and law presented; to rule upon motions, requests and offers of proof, dispose of procedural requests, and issue all necessary orders; to issue subpoenas and subpoenas duces tecum for the attendance of a person and production of testimony, books, documents, or other things; to compel the attendance of a person residing anywhere in the state; to rule on objections, privileges, defenses, and the receipt of relevant and material evidence; to call and examine a party or witness and introduce into the hearing record documentary or other evidence; to request a party at any time to state the respective position or supporting theory concerning any fact or issues in the proceeding; to certify official acts; to extend the submittal date of any proceeding; to hear and determine all issues of fact and law presented and to issue such interlocutory and final orders, findings, and decisions as may be necessary for the full adjudication of the matter.
22 Miss. Code. R. 20-10-100