39 CFR 951.5: Complaint of misconduct.

(a) If the head of any department of the Postal Service has reason to believe, or if complaint be made to him, that any person is guilty of conduct subjecting him to suspension or disbarment, the head of such office shall report the same to the Judicial Officer.

(b) Whenever any person submits to the Judicial Officer a complaint against any person who has practiced, is practicing or holding himself out as entitled to practice before the Postal Service, the Judicial Officer may refer such complaint to the Chief Inspector for a complete investigation and report.

(c) At any time, the Judicial Officer may refer the complaint to the General Counsel for the preparation of formal charges to be lodged against and served upon the person against whom the complaint has been made.