All motions, other than those made during a hearing, shall be made in writing to the director or the designated administrative law judge, shall briefly state the relief sought and shall be accompanied by affidavits setting forth the grounds for such motion. The moving party shall serve copies of all motion papers on all other parties and shall within three days thereafter file the original and three copies thereof with proof of service with the director or the designated administrative law judge. Answering affidavits, if any, must be served on all parties, and the original thereof together with three copies and proof of service shall be filed with the director or the designated administrative law judge within three working days after service of the moving papers unless directed otherwise. All such motions shall be decided by the director or the designated administrative law judge upon the papers filed with it.