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Internal Revenue Service

Publication 963 — Federal - State Reference Guide: A Federal-State Cooperative Publication · 2026-10-03 edition · updated 2026-10-04 · United States

he Internal Revenue Service (IRS), an agency of the U.S. Department of Treasury, is charged with the administration of the tax laws passed by Congress. This includes assisting taxpayers with education, account issues and filing

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▸Contents — Publication 963 — Federal - State Reference Guide: A Federal-State Cooperative Publication

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