Whoever, corruptly or by force or threats of force, endeavors to hinder or obstruct the administration of this part, or endeavors to intimidate or impede any appropriate TTB officer acting in his official capacity, or forcibly rescues or attempts to rescue or causes to be rescued any property, after it has been duly seized for forfeiture to the United States in connection with a violation of the internal revenue laws, shall be liable to the penalties prescribed by law.
27 C.F.R. § 44.71
68A Stat. 855; 26 U.S.C. 7212