Internal Revenue Service(redirected from IRS (U.S.))
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Inter′nal Rev′enue Serv`ice
the division of the U.S. Department of the Treasury that collects internal revenue, including income taxes and excise taxes, and enforces revenue laws. Abbr: IRS
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|Noun||1.||Internal Revenue Service - the bureau of the Treasury Department responsible for tax collections|
Department of the Treasury, Treasury Department, United States Treasury, Treasury - the federal department that collects revenue and administers federal finances; the Treasury Department was created in 1789