33 CFR 20.101: Scope.

Except as otherwise noted, the rules of practice, procedure, and evidence in this part apply to the following subjects of administrative proceedings before the United States Coast Guard:

(a) Class II civil penalties assessed under subsection 311(b) of the Federal Water Pollution Control Act (33 U.S.C. 1321(b)(6)).

(b) Class II civil penalties assessed under section 109 of the Comprehensive Environmental Response, Compensation, and Liability Act (42 U.S.C. 9609(b)).

(c) Suspensions and revocations conducted under 46 U.S.C. Chapter 77.