Income tax in the United States income above £200. The tax proposal was developed in 1814. Because the treaty of Ghent was signed in 1815, ending hostilities and the need for additional revenue, the tax was never imposed in the United States. In order to help pay for its war effort in the American Civil War, Congress imposed its first personal income tax in 1861. It was part of the Revenue Act of 1861 (3% of all incomes over US $800). This tax was repealed and replaced by another income tax in 1862. In 1894, Democrats in Congress passed the Wilson-Gorman tariff, which imposed the first
Working Tax Credit significant levels of overpayments. In order to reduce the overpayment problem, the income disregard was raised tenfold from £2,500 to £25,000 with effect from 2006/07. Income for tax credit purposes is "in principle" assessed similarly to UK income tax. Thus 'income' (c/f 'taxable income') consists of what the individual receives from gross earned and unearned sources—less allowances for 'expenditures' that would reduce that income. But, unlike income tax, tax credits measure income based on family 'household', rather than the individuals within. Also the effect of "income disregard" —to mask large annual increases in resources from reassessment— weakens comparisons with a