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
Income tax in Australia of an asset in an enterprising manner. Income from investment or property is also classified as ordinary income and can include: rent from a lease, interest on a loan, dividends and royalties. When assessing the amount of ordinary income, only the profits are counted based on a notional basis. A resident for tax purposes is subject to income tax on income from all sources, whereas non-residents for tax purposes are only subject to income tax in Australia on their income from Australian sources. There are four tests to determine whether an individual is a resident for income tax purposes: A