Internal Revenue Service

American  

noun

1. the division of the U.S. Department of the Treasury that collects internal revenue, including income taxes and excise taxes, and that enforces revenue laws. IRS

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Internal Revenue Service ¹ Cultural  

1. A federal agency, part of the Department of the Treasury, that collects most federal taxes, including income and Social Security taxes.

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Internal Revenue Service ² Cultural  

1. Part of the United States Department of the Treasury. The IRS is responsible for the collection of all federal taxes, except customs duties.

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Example Sentences

See Examples For:

Internal Revenue Service

That figure is the limit on how much you can give without submitting paperwork to the Internal Revenue Service.

From The Wall Street Journal ● Sep. 2, 2026

Those Internal Revenue Service rules are there to prevent people from taking advantage of the 1031 rule.

From MarketWatch ● Aug. 17, 2026

Their 2025 tax returns were not available because, as he has done most years, the governor filed for an extension with the Internal Revenue Service and he doesn’t expect to file until October.

From Los Angeles Times ● Jul. 31, 2026

That fund was created in an agreement between Trump and his administration that ended the president’s lawsuit against the Internal Revenue Service.

From The Wall Street Journal ● Jul. 29, 2026

The data on the four hundred highest-income taxpayers come from an Internal Revenue Service report, with 2004 tax rules applied to 2000 data.

From "Class Matters" by The New York Times