Do I have to pay income tax?

The term has been used by the Internal Revenue Service and by courts to describe those who believe that tax laws do not apply to them, or to their income. The related term "tax resister" refers to people who do not tend to dispute the legal validity of a tax such as the income tax, or its legal applicability to them, but who intend to defy tax collection for conscientious reasons (for instance, pacifists who do not want to pay for war).