14 C.F.R. § 13.49
(a) Motions in lieu of an answer. A respondent may file a motion to dismiss or a motion for a more definite statement in place of an answer. If the hearing officer denies the motion, the respondent must file an answer within 10 days.
(e) Motion to compel. Any party may file a motion asking the hearing officer to order any other party to produce discovery requested in accordance with § 13.53 if—