A bill to limit the authority of States and their subdivisions to impose taxes with respect to income on residents of other States.

Provides that a State may not impose income taxes on a person, (1) who is a non-resident earning income in such State in excess of 50 percent of the tax which would be collected if the individual was a resident of such State; or (2) who is a resident of such State except to the extent such tax exceeds any tax paid on such income to the State in which the income was earned or derived.