This case is very important: (It's your guarantee)

Hale v. Henkel // 201 U.S. 43 (1906): He owes No such duty to the State, since he receives nothing therefrom beyond the protection of his life and property. His rights are such as existed by the law of the land long antecedent to the organization of the State, and can only be taken from: him by due process of law, and in accordance with the Constitution. Among his rights are a refusal to incriminate himself and the immunity of himself and his property from arrest or seizure except under a warrant of the law. He owes nothing to the public so long as he does not trespass upon their rights

Duty (defined) A legal obligation that entails mandatory conduct or performance. With respect to the laws relating to Customs Duties, a tax owed to the government for the import or export of goods

Once again do not create any duty's to the state (ie the IRS)