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The IRS Mission

Internal Revenue Bulletin 2019-27 · 2026-10-03 edition · updated 2026-10-04 · United States

Provide America’s taxpayers top-quality service by helping them understand and meet their tax responsibilities and enforce the law with integrity and fairness to all.

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▸Contents — Internal Revenue Bulletin 2019-27
Internal Revenue Bulletin 2019-27

GoCodebook provides public access, search, citation, multilingual explanation, and practical interpretation of legally adopted building regulations. It is not a substitute for the official ICC or California code publications.