Section 7.18 - Motions; extensions of time(a) Except as otherwise provided in this part, any application for an order or other relief shall be made by motion for such order or relief. Except when made orally before the Board, motions shall be in writing and shall be accompanied by proof of service on all other parties or interested persons. If a motion is supported by briefs, affidavits, or other papers, they shall be served and filed with the motion. Any party or interested person, as the case may be, may respond to the motion within such time as may be provided by the Board.(b) Requests for extensions of time in any proceeding as to the filing of papers or oral presentations shall be in the form of a motion under paragraph (a) of this section.