Cases citing 26 U.S.C. §§ 6672

  • Sept. 15, 1959
  • Nov. 13, 1962
  • April 1, 1965
  • Sept. 25, 1967
  • Dec. 11, 1972
  • June 5, 1973
  • May 13, 1975
  • July 22, 1975
  • Feb. 17, 1977
  • March 24, 1977
  • May 13, 1977