Note 531 — ARTICLE I (continued 3)
Reading edition
Congressional regulation of commerce, however, does not have to be uniform. The uniformity rule is a test of the invalidity of State legislation affecting commerce, not the validity of Congressional legislation regulating commerce. Clark Distilling Co. v. W.M.R. Co., 242 U.S. 311, 327 (1917); Currin v. Wallace, 306 U.S. 1, 14 (1939); Prudential Ins. Co. v. Benjamin, 328 U.S. 408 (1946).