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Internal Revenue Manual Part 3. Submission Processing · 2026-10-03 edition · updated 2026-10-04 · United States

Always enter PO BOX for all versions of Apartado, Apartado Postal, Aptdo. Apdo., Post Office Box, P.O. box, etc.

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▸Contents — Internal Revenue Manual Part 3. Submission Processing
Internal Revenue Manual Part 3. Submission Processing

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