SEC. 3. WHERE TO FILE AND HOW TO CONTACT THE IRS, ENTERPRISE COMPUTING CENTER —

Internal Revenue Bulletin 2009-42 · 2026-10-03 edition · updated 2026-10-04 · United States

MARTINSBURG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 508

SEC. 4. FILING REQUIREMENTS AND DUE DATES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 509

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▸Contents — Internal Revenue Bulletin 2009-42

Internal Revenue Bulletin 2009-42

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