Income tax in the United States dates. Some states permit related corporations to file combined or consolidated returns. Most states and localities imposing income tax require estimated payments where tax exceeds certain thresholds, and require withholding tax on payment of wages. Puerto Rico is treated as a separate taxing entity from the USA; its income tax rates are set independently, and only some residents there pay federal income taxes (though everyone must pay all other federal taxes). The unincorporated territories Guam, American Samoa, and the Virgin Islands also impose income tax separately, under a "mirror" tax law based on federal income tax law. Proposals have been
Hall income tax there were bills to raise state government revenue by reducing the fraction of the Hall tax that is distributed to local governments. The proposals for major changes to the Hall tax failed because of the lack of alternative sources of revenue. The Hall tax is Tennessee's only tax on personal income; the state does not levy a general personal income tax. As of 1974, the Tennessee Supreme Court had consistently held that the state constitution authorized only three types of taxes: privilege taxes, "ad valorem" property taxes, and a tax on income from interest and dividends. In decisions in 1932