Income tax the discussion of taxation by the United States of foreign persons. Residents, however, are generally subject to income tax on all worldwide income. A very few countries (notably Singapore and Hong Kong) tax residents only on income earned in or remitted to the country. Residence is often defined for individuals as presence in the country for more than 183 days. Most countries base residence of entities on either place of organization or place of management and control. The United Kingdom has three levels of residence. Most systems define income subject to tax broadly for residents, but tax nonresidents only on
Citizens for Tax Justice CTJ is generally considered a liberal organization, but its research has also been cited by Republican politicians (including President Ronald Reagan) and right-wing tax reform organizations when favorable to their policies. The organization's 2013 Form 990 Tax Return states its purpose is "to promote social welfare." The organization's president, Wayne Cox, is Executive Director of Minnesota Citizens for Tax Justice. CTJ, a 501(c4) organization, is directed by Robert S. McIntyre. Many of the reports written by Citizens for Tax Justice rely on analyses produced by the "ITEP Microsimulation Tax Model", which is housed at its partner organization, the Institute on