(a) Time. A motion for new hearing or in arrest of judgment, or both, may be made within 10 days, or such greater time as the official may allow, not to exceed 30 days, after the finding of the official.
(b) Method. When the defendant has been found to have committed the infraction, the motion may be dictated into the record, if a court reporter is present, and may be argued immediately after the finding of the official. The official may immediately rule on the motion.
(c) Procedure. The motion may be in writing, filed with the clerk or violations bureau and shall state the grounds on which it is based. When the official sets a time for the hearing, the clerk or bureau shall notify the counsel, if any, for the defendant or, if no attorney has been retained, the defendant.