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Income tax is an annual charge levied on both earned income (wages, salaries, commission) and unearned income (dividends, interest, rents, trading gains).
There are two basic types of income tax. First listed is personal income tax, levied on the incomes of individuals, households, partnerships, and sole proprietorships. The second type is corporation income tax, levied on profits and net earnings of incorporated firms.
According to the law, businesses and individuals must declare an income tax return on an annual basis to determine whether they owe any taxes or are eligible for a tax refund. Income tax is a key source of funds that the government uses to fund its activities and serve the public.
A widely spread progressive tax system implies a higher tax rate for high-income earners than for low-income individuals. Income tax first appeared in the United States in 1862 during the Civil War. At that time, only about one percent of the population was required to pay the tax. A flat-rate income tax was imposed in 1867. The income tax was repealed in its entirety in 1872. Its original purpose was to fund the repayment of a $100 million debt that was incurred through war-related expenses. After the war, the tax was repealed, but income tax became permanent during the early 20th century.
In the United States, the Internal Revenue Service (IRS) is tasked with collecting yearly income tax from working residents and businesses. Most citizens pay income tax to the agency annually, though in some cases, quarterly prepayments are required for freelancers and businesses that exceed a given income threshold. The IRS is part of the Department of the Treasury.
An individual income tax is levied on a person’s total income for one year. This tax is regulated and collected by the government. With corrections made at the end of the year, adjustments to the taxes can result in either an additional tax payment owed to the government or a tax refund owed to the individual by the government.
All businesses pay income tax on their earnings. According to the IRS, corporations, partnerships, self-employed contractors, and small businesses are considered businesses.
Regardless of the overall design of the income tax, it is common to provide special rules for taxing business or investment income. These rules primarily relate to the tax base, timing of the recognition of income and deductions, and collection of tax. By far, the most important thing is the timing rules. Particularly in business, these rules must negotiate the difficult terrain that bridges financial accounting and taxation. While uniformity between tax and financial accounting may seem desirable, countries have adopted quite different approaches: some countries have achieved substantial uniformity; in others, tax and financial accounting are substantially independent.
Most individual U.S. states collect a state income tax and federal income tax. The two are separate entities. Some local governments also impose an income tax, often based on state income tax calculations. Forty-three states and many localities in the United States may impose an income tax on individuals; only seven states do not levy income taxes on their citizens, including Alaska, Florida, Nevada, South Dakota, Texas, Washington, and Wyoming. New Hampshire and Tennessee only collect income tax on earnings from dividends and investments. Forty-seven states and many localities impose a tax on the income of corporations.
Property tax is a levy issued by a government on a person's real or personal property. The property is assessed to give it a value, and then that value is taxed. The amount of tax owed is determined by multiplying the property's fair market value by the current tax rate. The amount taxed on a given property may change over time based on a reassessment of the property's value.
A sales tax is a consumption tax levied on goods and services purchased at the retail level. The consumer pays the tax, which the retailer submits to the governing tax authority.