49 CFR § 107.336
Limitation on fines and penalties
November 18, 2020
If a State or political subdivision or Indian tribe assesses any fine or penalty determined by the Secretary to be appropriate for a violation concerning a subject listed in §107.202(a), no additional fine or penalty may be assessed for such violation by any other authority.
[Amdt. 107-24, 56 FR 8624, Feb. 28, 1991]