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Instructions for Form 1040-X›Notice 2023-21. For the following affected taxpayers, Notice›!

Part I—Dependents

Instruction 1040-X — Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return · 2026-10-03 edition · updated 2026-10-04 · United States

Lines 24, 26, 28, and 29—Reserved for Future Use These lines are reserved for future use. Do not enter an amount on these lines.

Line 30—Dependents List all dependents claimed on this amended return. This includes:

  • Dependents claimed on your original return who are still being claimed on this return, and

  • Dependents not claimed on your original return who are being added to this return.

See Dependents, in the instructions for the tax return for the year you are amending, for more information.

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▸Contents — Instruction 1040-X — Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return
Instruction 1040-X — Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return

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