This is FindLaw's collection of State and Federal Tax articles, part of the Finance section of the Corporate Counsel Center. While some states do not have an income tax (Nevada), all residents and all citizens of the United States are subject to the federal income tax. Corporations file taxes as well. While they are subject to may of the same rules as are individual taxpayers, they are also covered by an intricate body of rules addressed to the peculiar problems of corporations. Law articles in this archive are predominantly written by lawyers for a professional audience seeking business solutions to legal issues. Start your free research with FindLaw.