28 C.F.R. § 76.14 Separation of functions.
Title 28 - Judicial Administration
An employee or an agent of the Department who is or was engaged in investigative or prosecutive functions for or on behalf of the United States in a case may not participate in the decision of that case.
Title 28: Judicial Administration
PART 76—RULES OF PROCEDURE FOR ASSESSMENT OF CIVIL PENALTIES FOR POSSESSION OF CERTAIN CONTROLLED SUBSTANCES
§ 76.14 Separation of functions.