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2025›Instructions for Form 4626›General Instructions

When To File

2025 Inst 4626 (PDF) · 2026-10-03 edition · updated 2026-10-04 · United States

Attach Form 4626 to the corporation’s income tax return (or, if applicable, exempt organization business income tax return) and file by the due date (including extensions) for that return.

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▸Contents — 2025 Inst 4626 (PDF)
2025 Inst 4626 (PDF)

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