14 CFR § 406.105 - Separation of functions for prosecuting civil penalties and advising the FAA decisionmaker.
(1) The following officials have the authority to act as the agency attorney under this part: The Deputy Chief Counsel; the Assistant Chief Counsel for Enforcement; the Assistant Chief Counsel for Regulations; the Assistant Chief Counsel for Europe, Africa, and Middle East Area Office; each Regional Counsel; and each Center Counsel. This authority may be delegated further.
(2) An agency attorney may not include:
(i) The Chief Counsel or the Assistant Chief Counsel for Litigation;
(b) Advisors to the FAA decisionmaker.
(1) The Chief Counsel, the Assistant Chief Counsel for Litigation or an attorney on the staff of the Assistant Chief Counsel for Litigation, will advise the FAA decisionmaker regarding an initial decision or any appeal of an action to the FAA decisionmaker.
(2) An agency employee engaged in the performance of investigative or prosecutorial functions must not, in that case or a factually-related case, participate or give advice in a decision by the administrative law judge or by the FAA decisionmaker on appeal, except as counsel or a witness in the public proceedings.
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