28 C.F.R. § 68.31 Separation of functions.
Title 28 - Judicial Administration
No officer, employee, or agent of the Federal Government engaged in the performance of investigative or prosecutorial functions in connection with any proceeding shall, in that proceeding or a factually related proceeding, participate or advise in the decision of the Administrative Law Judge, except as a witness or counsel in the proceedings. [54 FR 48596, Nov. 24, 1989. Redesignated by Order No. 1534–91, 56 FR 50053, Oct. 3, 1991]
Title 28: Judicial Administration
PART 68—RULES OF PRACTICE AND PROCEDURE FOR ADMINISTRATIVE HEARINGS BEFORE ADMINISTRATIVE LAW JUDGES IN CASES INVOLVING ALLEGATIONS OF UNLAWFUL EMPLOYMENT OF ALIENS, UNFAIR IMMIGRATION-RELATED EMPLOYMENT PRACTICES, AND DOCUMENT FRAUD
§ 68.31 Separation of functions.