No former CAB member or employee or DOT employee, or any person associated with him or her, shall ever use or undertake to use in any DOT proceeding or matter any confidential facts or information which came into the possession of such Member or employee or to his or her attention by reason of his or her employment with the CAB or DOT without first applying for and obtaining the consent of the appropriate ethics counselor for the use of such facts or information.
14 C.F.R. §300.11