49 CFR 89.5 – Delegations of authority
The functions, powers, and duties of the Secretary of Transportation to attempt collection of claims, to compromise claims of the United States not exceeding $100,000 (excluding interest) and to suspend and terminate action to collect such claims are delegated to:
(a) The Assistant Secretary for Administration with respect to collection, compromise, suspension and termination of claims arising out of the activities of, or referred to, the Working Capital Fund;
(b) The Assistant Secretary for Budget and Programs with respect to collection, compromise, suspension and termination of collection of claims under 31 U.S.C. § 3711 arising out of the activities of, or referred to, the Office of the Secretary (excluding claims pertaining to the Working Capital Fund); and
(c) The heads of other DOT operating elements with respect to claims arising out of the activities of, or referred to, their organizations.