Rate schedule (federal income tax) than a dollar in taxable income, thus making the marginal tax rate greater than what is suggested by the table. These schedules apply only to regular US income tax, whereas there is a second income tax, the Alternative Minimum Tax, that uses a different schedule. A taxpayer's tax obligation is the higher of those two income taxes, which makes drawing conclusions from the table even more difficult. All rate schedules have an identical format, containing four columns and seven rows (called "brackets"). The first two columns indicate the range of taxable income that a taxpayer must have to qualify for
State income tax particularly with respect to partnerships. Most states require taxpayers to make quarterly payments of tax not expected to be satisfied by withholding tax. All states impose penalties for failing to file required tax returns and/or pay tax when due. In addition, all states impose interest charges on late payments of tax, and generally also on additional taxes due upon adjustment by the taxing authority. Forty-three states impose a tax on the income of individuals, sometimes referred to as personal income tax. State income tax rates vary widely from state to state. The states imposing an income tax on individuals tax