After you file

LenaH

Schedule 2, Line 3 consists of additional taxes such as the alternative minimum tax, repayment of previously claimed credits, excess advance premium tax credit repayments, and other additions to tax. The 1040X instructions highlight this with a caution icon, reminding taxpayers to include any of these additions to tax from Schedule 2, Line 3 on Line 6 of their 1040X. See screenshot below of Schedule 2.

Your 1040X, Line 6, Column C, would be the total amount of tax per the new 1040. The new tax amount is calculated against your total payments. The new amount you owe (or will be refunded) will be the difference due to the changes on the 1040X.

Did your original 1040 have an amount on Line 17?

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