income tax

A tax on an individual’s or entity’s net income. • The federal income tax — set forth in the Internal Revenue Code — is the federal government’s primary source of revenue, and most states also have income taxes. Cf. property tax; EXCISE. [Cases: Internal Revenue 3065–4122; Taxation 931–1104. C.J.S. Indians § 131; Internal Revenue§§ 12–14, […]