Taxable income
United States
Domestic
Taxable income of a domestic corporation is equal to all gross income less applicable deductions.
Foreign
Effectively connected income is subject to US tax at regular tax rates on a net income basis. In addition, a branch profits tax at a rate of 30 percent may apply to foreign corporations operating through a branch in the US. Gross FDAP income is taxed at a flat 30-percent rate and cannot be reduced by deductions. Tax treaties can reduce or eliminate these taxes.
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