49 C.F.R. § 661.18
A person shall be ineligible to receive any contract or subcontract made with funds authorized under the Federal Public Transportation Act of 2005 pursuant to part 29 of this title if it has been determined by a court or Federal agency that the person intentionally—
[61 FR 6303, Feb. 16, 1996, as amended at 72 FR 53698, Sept. 20, 2007]