39 Miss. Code. R. 1-7-104
The Commission may, by incorporating a provision in its order granting a Facilities Certificate, suspend Commission authority for the construction or acquisition of a facility, plant or other capital item, whether previously certificated or not, upon failure by a utility to adhere to the provisions of this rule or an order of the Commission, or for its failure to timely provide the Commission, Commission staff or the Staff with any reasonable information requested concerning the cost, purpose or construction of the facility, plant or other capital item. Except as specifically allowed by order of the Commission, the related capital expenditures made during the period of suspension on the suspended construction or acquisition shall not be allowed in rate base during the period of such suspension nor shall Allowance for Funds Used During Construction (AFUDC) accrue on any such funds during any period of suspension.
39 Miss. Code. R. 1-7-104