§ 525.
A motor carrier, motor carrier of migrant workers, or motor private carrier not obeying a subpoena or requirement of the Secretary of Transportation under this chapter to appear and testify or produce records shall be fined at least $1,000 but not more than $10,000, imprisoned for not more than one year, or both. The Secretary may withhold, suspend, amend, or revoke any part of the registration of a person required to register under chapter 139 for failing to obey a subpoena or requirement of the Secretary under this chapter to appear and testify or produce records.
([Pub. L. 97–449, § 1(b)], Jan. 12, 1983, [96 Stat. 2437]; [Pub. L. 112–141, div. C, title II, § 32110], July 6, 2012, [126 Stat. 782].)