Form 1040 - Instructions
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2023 instructions for Form 1040 U.S. Individual Income Tax Return, Schedule 1 (Form 1040) Additional Income and Adjustments to Income, Schedule 2 (Form 1040) Additional Taxes, and Schedule 3 (Form 1040) Additional Credits and Payments can be found in the IRS Instructions for Form 1040 and 1040-SR.


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