39 Miss. Code. R. 1-8-102
Unless specifically requested in the petition and clearly allowed by the Commission's order, the approval of any sale or transfer by the Commission shall not, in and of itself, provide a basis or justification for any subsequent adjustment to rate base or operating expenses.
An acquisition adjustment shall not be implied or allowed except upon written request for same in the Petition for Sale and Transfer and only where expressly allowed by order of the Commission when it grants approval for the sale and transfer. If an acquisition adjustment is sought, all supporting documentation and legal authority must be attached to the Petition presented pursuant to this rule. Adjustments, if allowed, shall be by Order of the Commission.
39 Miss. Code. R. 1-8-102