(a) Where the claimant fails to make a personal appearance at the prehearing conference without good cause, such failure to appear shall result in postponement until the board is assured in writing of appearance.(b) Where the attorney or carrier representative fails to comply with the cancellation requirements of §61.65 of this title (relating to Request for Cancellation of Prehearing Conference) or fails to attend a scheduled prehearing conference, the prehearing officer shall prepare a rule violation complaint report as provided by §65.10 of this title (relating to Actions by Carrier, Claimant's Attorney, and/or Agent). Violation of this rule may be grounds for sanctions, including reduction of fees, written reprimand, or suspension from practice before the board.