49 C.F.R. § 1018.6 Omissions not a defense.
Title 49 - Transportation
(a) The failure of the Board to include in this part any provision of the Federal Claims Collection Standards, 4 CFR parts 101 through 105, does not prevent the Board from applying these provisions. (b) A debtor may not use the failure of the Board to comply with any provision of this part or the Federal Claims Collection Standards as a defense to the debt.
Title 49: Transportation
PART 1018—DEBT COLLECTION
Subpart A—Application and Coverage
§ 1018.6 Omissions not a defense.