Act. The term Act means the International Claims Settlement Act of 1949, as amended by the Act of August 9, 1955 (Pub. L. 285, 84th Cong., 69 Stat. 562).
26 CFR § 302.1-1
General. When used in the regulations in this part, the terms defined in this section shall have the meaning so assigned to them. A term not defined herein shall have the meaning, if compatible with the context, imputed thereto under the internal revenue laws.