39 Miss. Code. R. 1-8-100
When any public utility proposes to sell, transfer, lease, assign or otherwise dispose of, including, without limitation, any change in control of (a) certificates of public convenience and necessity issued to them, or (b) any substantial part of its property necessary or useful in the performance of its duties to the public, including corporate stock that is not publicly traded, or to sell, or transfer any Certificate of Public Convenience and Necessity, or portion thereof, or by any means whatsoever, direct or indirect, proposes the merger, transfer or consolidation of its property, certificate or any portion thereof with any other public utility or to any person, firm or corporation, such sale, lease, assignment or other disposition must be approved by the Commission and the petition for approval must be made by all parties to the proposed transaction. This regulation applies to all direct or indirect transfers of utility property or certificates, including but not limited to, transfers of controlling interest in the corporate stock of an existing certificated utility to any person, firm, partnership or other corporation.
39 Miss. Code. R. 1-8-100