The Internal Revenue Code (IRC), formally the Internal Revenue Code of 1986, is the domestic portion of federal statutory tax law in the United States, published in various volumes of the United States Statutes at Large, and separately as Title 26 of the United States Code (USC).Other federal tax law is contained in other titles of the United States Code, such as Title 11 (relating to bankruptcy) and Title 19 (Customs Duties).
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