Tax protesters in the United States have advanced a number of arguments asserting that the assessment and collection of the federal income tax violates statutes enacted by the United States Congress and signed into law by the President. Such arguments generally claim that certain statutes fail to create a duty to pay taxes, that such statutes do not impose the income tax on wages or other types of income claimed by the tax protesters, or that provisions within a given statute exempt the tax protesters from a duty to pay.