- (a) In a proceeding which has been the subject of hearing, the State Highway Commission or officer may, subject to variation for cause shown, fix times for filing and serving the respective briefs as follows: for the opening brief, thirty (30) days from the close of hearing; for the brief of any opposing party, fifteen (15) days after the date affixed for the opening brief; and for the reply brief, ten (10) days after the date fixed for the brief of the opposing party; or may fix the same time for filing and serving of briefs of all parties.
- (b) Where the same time is fixed, within fifteen (15) days after expiration of the time so fixed, reply briefs may be filed, and such briefs must be confined strictly to reply and contain no new matter, provided, however, that no reply brief may be filed in an investigation and suspension proceeding.