In the case of Barrett Line, Inc. v. United States et al., 1944, the Supreme Court ruled in favor of the United States government and against Barrett Line, Inc., a company that operated towboats on navigable waters within Kentucky and West Virginia. The issue at hand was whether or not these operations were subject to federal taxation under Section 3475(a) of the Internal Revenue Code which imposes taxes on transportation companies operating in U.S waters. The court held that since Congress has broad powers to regulate commerce among states including navigation, it also has power to tax such activities even if they are confined within state boundaries as long as they affect interstate commerce significantly enough.

In the dissenting opinion for Barrett Line, Inc. v. United States et al., Justice Robert H. Jackson argued that the majority's decision to uphold a federal regulation requiring common carriers to obtain certificates of public convenience and necessity was an overreach of government authority. He contended that this requirement infringed on states' rights by interfering with their ability to regulate local commerce within their borders, which he believed was protected under the Tenth Amendment of the Constitution. Furthermore, he expressed concern about potential negative impacts on small businesses who may be unable to meet these new regulatory requirements due to lack of resources or expertise in navigating complex bureaucratic processes.