(a) Any party, representative, or witness in a proceeding under Penal Code section 4900 may be subject to a contempt sanction as set forth in California Code of Regulations section 618.3. A contempt sanction may be based upon any threat of violence directed toward any participant in the proceeding under section 4900, including the hearing officer, Board, or any other staff member, whether made during or after the proceeding has concluded.

(b) Any party, representative, or witness in a proceeding under Penal Code section 4900 may be subject to sanctions as set forth in California Code of Regulations section 618.4.