71.75—Prior to hearing.
All motions which should be made prior to the hearing, such as motion directed to the sufficiency of the pleadings or of preliminary orders, shall be filed in writing with the appropriate TTB officer issuing the citation or the administrative law judge if the matter has been referred to him, and shall briefly state the order or relief applied for and the grounds for such motion, and shall be filed within 15 days after service of the citation.