15 U.S.C. § 223, 224
Section 223, acts July 21, 1950, ch. 484, §§1-11, 64 Stat. 369; Pub. L. 88-165, Nov. 4, 1963, 77 Stat. 299, related to units of electrical measure.
Section 224, act July 21, 1950, ch. 484, §12, 64 Stat. 370, related to establishment of values of primary electric and photometric units in absolute measure and legal values for those units.