27 C.F.R. § 20.201 – Liability and responsibility of carrier.

(a) A person or carrier transporting specially denatured spirits to a consignee or returning it to the consignor is responsible for the safe delivery and is accountable for any specially denatured spirits not delivered.
(b) A person or carrier transporting specially denatured spirits in violation of any law or regulation pertaining thereto, is subject to all provisions of law relating to alcohol and the payment of tax thereon, and shall be required to pay the tax.
(Sec. 201, Pub. L. 85-859, 72 Stat. 1314, as amended (26 U.S.C. 5001))