The Commerce Clause does not permit Congress to regulate manufacturing. Just because a product will be used in interstate commerce does not mean it can be regulated before that point. The last of the “Lochner era” decisions striking down numerous New Deal programs. Decided May 18, 1936 (argued March 11, 1936). Opinion of the Court: George Sutherland → go there Overruled by {{ussc Topic: Federalism. Carter v. Carter Coal Company, 298 U.S. 238 (1936), is a United States Supreme Court decision interpreting the Commerce Clause of the United States Constitution, which permits the United States Congress to "regulate Commerce... among the several States." Specifically, it analyzes the extent of Congress' power, according to the Commerce Clause, looking at whether or not they have the right to regulate manufacturing. Wiki link