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

See below for Form 1120-F Box D3 not checked. Returns without Box D3 checked are due the 15th day of the 6th month following the date the tax year ended (BRTVU US OFFICE CODE: 2).

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

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