18 C.F.R. § 385.2202 Separation of functions (Rule 2202).
Title 18 - Conservation of Power and Water Resources
In any proceeding in which a Commission adjudication is made after hearing, no officer, employee, or agent assigned to work upon the investigation or trial of the proceeding or to assist in the trial thereof, in that or any factually related proceeding, shall participate or advise as to the findings, conclusion or decision, except as a witness or counsel in public proceedings.
Title 18: Conservation of Power and Water Resources
PART 385—RULES OF PRACTICE AND PROCEDURE
Subpart V—Off-the-Record Communications; Separation of Functions
§ 385.2202 Separation of functions (Rule 2202).

