27 C.F.R. § 25.91
Sec. 201, Pub. L. 85-859, 72 Stat. 1388, as amended ( 26 U.S.C. 5401 ); sec. 4(a), Pub. L. 91-673, 84 Stat. 2057 ( 26 U.S.C. 5417 )
27 C.F.R. § 25.91
Sec. 201, Pub. L. 85-859, 72 Stat. 1388, as amended ( 26 U.S.C. 5401 ); sec. 4(a), Pub. L. 91-673, 84 Stat. 2057 ( 26 U.S.C. 5417 )