Irwin A. Schiff (born 1928) is a prominent figure in the tax protester A tax protester is someone who refuses to pay a tax on constitutional or legal grounds. Many claim the tax laws are unconstitutional or otherwise invalid. Some refuse to file a tax return or file returns with no income or tax data supplied. Legal commentator Daniel B. Evans has defined tax protesters as people who "refuse to pay taxes or file movement. Schiff is known for writing and promoting literature that claims the United States income tax An income tax is a tax levied on the income of individuals or business . Various income tax systems exist, with varying degrees of tax incidence. Income taxation can be progressive, proportional, or regressive. When the tax is levied on the income of companies, it is often called a corporate tax, corporate income tax, or profit tax. Individual is applied incorrectly. He has lost several civil cases against the federal government and has a record of multiple convictions for various federal tax crimes. Schiff is serving a 13-plus year sentence for tax crimes (with his location listed as the Terre Haute Federal Correctional Institution). His projected release date is 7 October 2016.[1] Irwin Schiff is also the father of stockbroker and US senate The United States Senate is the upper house of the bicameral United States Congress, the lower house being the House of Representatives. The composition and powers of the Senate and the House are established in Article One of the U.S. Constitution . Each U.S state is represented by two senators, regardless of population. This ensures equal candidate Peter Schiff Peter David Schiff is an American stock broker, economist, author, financial news commentator, and video blogger. Schiff is the president of Euro Pacific Capital and a 2010 candidate for the U.S. Senate seat currently held by Democratic Senator Chris Dodd.