49 C.F.R. § 243.7
(a) A person who violates any requirement of this part, or causes the violation of any such requirement, is subject to a civil penalty of at least the minimum civil monetary penalty and not more than the ordinary maximum civil monetary penalty per violation. However, penalties may be assessed against individuals only for willful violations, and a penalty not to exceed the aggravated maximum civil monetary penalty per violation may be assessed, where:
[79 FR 66501, Nov. 7, 2014, as amended at 81 FR 43113, July 1, 2016; 82 FR 16135, Apr. 3, 2017; 83 FR 60750, Nov. 27, 2018; 84 FR 23737, May 23, 2019; 84 FR 37075, July 31, 2019; 86 FR 1760, Jan. 11, 2021; 86 FR 23256, May 3, 2021; 87 FR 15870, Mar. 21, 2022; 88 FR 1129, Jan. 6, 2023; 88 FR 89564, Dec. 28, 2023; 89 FR 106297, Dec. 30, 2024; 90 FR 28193, July 1, 2025]