Tax credit

A tax credit is a tax incentive which allows certain taxpayers to subtract the amount of the credit they have accrued from the total they owe the state. It may also be a credit granted in recognition of taxes already paid or, as in the United Kingdom, a form of state support for low earners.

Incentive tax credits may be used to encourage behaviors like investment or parenting. A credit directly reduces tax bills, unlike tax deductions and tax exemptions, which indirectly reduce tax bills by reducing the size of the base (for example, a taxpayer's income or property value) from which the tax bill is calculated.

Most tax credits are nonrefundable tax credits and so do not apply if no taxes are owed. However, some tax credits are refundable tax credits so if the credit exceeds the amount of taxes owed, the excess is returned to the taxpayer.

Many systems refer to taxes paid indirectly, such as taxes withheld by payers of income, as credits rather than prepayments. In such cases, the tax credit is invariably refundable. The most common forms of such amounts are payroll withholding of income tax or PAYE, withholding of tax at source on payments to nonresidents, and input credits for value added tax.

Income tax systems often grant a variety of credits to individuals. These typically include credits available to all taxpayers as well as tax credits unique to individuals. Some credits may be offered for a single year only.

Several income tax systems provide income subsidies to lower income individuals by way of credit. These credits may be based on income, family status, work status, or other factors. Often such credits are refundable when total credits exceed tax liability.

In the United Kingdom, the Child Tax Credit and Working Tax Credit are paid directly into the claimant's bank account or Post Office Card Account. In exceptional circumstances, these can be paid by cashcheque (sometimes called giro) however payments may stop if account details are not provided. A minimum level of Child Tax Credits is payable to all individuals or couples with children, up to a certain income limit. The actual amount of Child Tax Credits that a person may receive depends on these factors: the level of their income, the number of children they have, whether the children are receiving Disability Living Allowance and the education status of any children over 16.

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