49 U.S.C. § 11905
Disobedience to subpoenas
A person not obeying a subpoena or requirement of the Board to appear and testify or produce records shall be fined at least $100 but not more than $5,000, imprisoned for not more than one year, or both.
A person not obeying a subpoena or requirement of the Board to appear and testify or produce records shall be fined at least $100 but not more than $5,000, imprisoned for not more than one year, or both.