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interminable
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Internal Revenue Service
In·ter·nal Rev·e·nue Ser·vice


noun 
Definition:
 
U.S. tax agency: the division of the U.S. Department of the Treasury responsible for the collection of income, excise, and other taxes and the enforcement of the tax laws
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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