Louis Brandeis, Standard Computing Scale Company v…
“ No question is made as to the constitutionality of the statute creating the office of state superintendent and defining his duties. The attack is upon the 'specifications' in the bulletin which plaintiff assumes are a regulation; that is, a law. Its contention is that the so-called 'rule' is not a proper exercise of the police power, and is void, because it is arbitrary and unreasonable, because it unjustifiably discriminates against plaintiff's product, and because it interferes with interstate commerce. The claim that it impairs the obligation of contracts is not now insisted upon. ”
