The date of enactment of this subsection, referred to in subsec. (c), is the date of enactment of Pub. L. 109–59, which was approved Aug. 10, 2005.

2012—Subsec. (b). Pub. L. 112–141 added subsec. (b) and struck out former subsec. (b). Prior to amendment, text read as follows: “If the Secretary finds that an officer of a motor carrier engages or has engaged in a pattern or practice of avoiding compliance, or masking or otherwise concealing noncompliance, with regulations on commercial motor vehicle safety prescribed under this subchapter, while serving as an officer of any motor carrier, the Secretary may suspend, amend, or revoke any part of the motor carrier’s registration under section 13905.”

2005—Pub. L. 109–59 designated existing provisions as subsec. (a), inserted heading, and added subsecs. (b) to (d).

Amendment by Pub. L. 112–141 effective Oct. 1, 2012, see section 3(a) of Pub. L. 112–141, set out as an Effective and Termination Dates of 2012 Amendment note under section 101 of Title 23, Highways.