A bill to amend the Internal Revenue Code to regulate and prevent multiple taxation of certain kinds of income.

[AI summary unavailable — showing source text] Prohibits a State from imposing a tax on income earned by a non-domiciliary State unless the income was earned in that State. Permits the State taxation of income earned by domiciliaries outside the State to the extent that such taxation exceeds the tax imposed by the State in which the income was earned.…