DOT Rule 49 CFR Part 40 Section 40.411
Subpart R - Public Interest Exclusions
§ 40.411 What is the role of the DOT Inspector General's office?
(a) Any person may bring concerns about waste, fraud, or abuse on the part of a service agent to the attention of the DOT Office of Inspector General.
(b) In appropriate cases, the Office of Inspector General may pursue criminal or civil remedies against a service agent.
(c) The Office of Inspector General may provide factual information to other DOT officials for use in a PIE proceeding.