28 CFR 45.12: Reporting to the Department of Justice Office of Professional Responsibility.

Department employees have a duty to, and shall, report to the Department of Justice Office of Professional Responsibility (DOJ-OPR), or to their supervisor, or their component's internal affairs office for referral to DOJ-OPR, any allegations of misconduct by a Department attorney that relate to the exercise of the attorney's authority to investigate, litigate or provide legal advice, as well as allegations of misconduct by law enforcement personnel when such allegations are related to allegations of attorney misconduct within the jurisdiction of DOJ-OPR.