(a) Disciplinary proceedings may be instituted against anyone who is practicing or has practiced before the Department on grounds that he is incompetent, unethical, or unprofessional, or that he is practicing without authority under the provisions of this part, or that he has violated any provisions of the laws and regulations governing practice before the Department, or that he has been disbarred or suspended by any court or administrative agency. Individuals practicing before the Department should observe the Canons of Professional Ethics of the American Bar Association and those of the Federal Bar Association, by which the Department will be guided in disciplinary matters.

(b) Whenever in the discretion of the Solicitor the circumstances warrant consideration of the question whether disciplinary action should be taken against an individual who is practicing or has practiced before the Department, the Solicitor shall appoint a hearing officer to consider and dispose of the case. The hearing officer shall give the individual adequate notice of, and an opportunity for a hearing on, the specific charges against him. The hearing shall afford the individual an opportunity to present evidence and cross-examine witnesses. The hearing officer shall render a decision either

(c) Within 30 days after receipt of the decision of the hearing officer reprimanding, suspending, or excluding an individual from practice before the Department, an appeal may be filed with the Solicitor, whose decision shall be final.