Many countries impose corporate tax, also called corporation tax or company tax, on the income or capital of some types of legal entities. A similar tax may be imposed at state or lower levels. The taxes may also be referred to as income tax or capital tax. Entities treated as partnerships are generally not taxed at the entity level. Most countries tax all corporations doing business in the country on income from that country. Many countries tax all income of corporations organized in the country. Company income subject to tax is often determined much like taxable income for individuals. Generally, the tax is imposed on net profits. In some jurisdictions, rules for taxing companies may differ significantly from rules for taxing individuals. Certain corporate acts, like reorganizations, may not be taxed. Some types of entities may be exempt from tax. Many countries tax corporate entities on income and also tax the owners when the corporation pays a dividend. Where the owners are taxed, a withholding tax may be imposed. Generally, these taxes on owners are not referred to as corporate tax.