(A) The commission chairman, vice-chairman in the chairman's absence or unavailability, or hearing officer if appointed by the commission, shall rule on all motions.
(B) All motions will specifically state both the relief sought by the moving party and the basis for granting such relief.
(C) All motions shall be filed in writing and served at least five business days prior to the hearing date. The commission may waive the five-day requirement for good cause shown. Dispositive motions are not permitted to be filed under this rule.