Attorney General.
Attorney General. The term Attorney General includes the Alien Property Custodian whose functions were transferred to the Attorney General pursuant to Executive Order 9788 (3 CFR 19431948 Comp., p. 575), and any other officers and agencies to which such functions are transferred or assigned pursuant to such Executive Order, or otherwise.
Source
26 CFR § 303.1-1
Scoping language
General. When used in this part, the terms defined in this section shall have the meaning so assigned to them. A term not defined in this section shall have the meaning, if compatible with the context, imputed thereto under the Internal Revenue Code of 1954.