33.14—Separation of functions.
(a)
The investigating official, the reviewing official, and any employee or agent of the Department who takes part in investigating, preparing, or presenting a particular case may not, in that case or a factually related case:
(2)
Participate or advise in the initial decision or the review of the initial decision by the Department head, except as a witness or a representative in public proceedings; or
(b)
The ALJ may not be responsible to, or subject to the supervision or direction of, the investigating official or the reviewing official.
(c)
Except as provided in paragraph (a) of this section, the representative for the Government may be employed anywhere in the Department, including in the offices of either the investigating official or the reviewing official.