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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


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.


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.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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The head of the Internal Revenue Service and Social Security Administration, Frank Bisignano, has touted a record as a Wall Street fix-it man in his attempts to overhaul those two government agencies.

From The Wall Street Journal Jul. 23, 2026

Mencia previously faced legal woes over taxes in 2021 when the Internal Revenue Service alleged he and his wife owed more than $1.2 million in federal taxes from 2013 to 2015.

From Los Angeles Times Jun. 18, 2026

The 10% early withdrawal penalty is called a tax by the Internal Revenue Service and the rule of 55 has been around for decades.

From The Wall Street Journal Jun. 14, 2026

President Donald Trump’s $10 billion lawsuit against the Internal Revenue Service over a leaked tax-return scandal from six years ago was on the verge of an epic settlement.

From Slate Jun. 4, 2026

Internal Revenue Service was making its displeasure known to UBS.

From "Endgame" by Frank Brady

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