M 4868-2026

1. Click ‘Get Form’ to open the m 4868 in the editor.
2. Begin by entering your total expected tax due for the year on line 1. This amount can be found on Form 1, lines 28 and 34, or Form 1-NR/PY, lines 32 and 38.
3. On line 2, input the total Massachusetts income tax withheld from your income.
4. For line 3, enter any overpayment from your previous year's taxes that you wish to apply to this year's estimated tax.
5. Line 4 requires you to list any estimated tax payments made for the current year, excluding amounts already included in line 3.
6. On line 5, include any applicable credits as detailed in Forms 1 and 1-NR/PY.
7. Calculate the total on line 6 by adding lines 2 through 5. Then, subtract this total from your expected tax due on line 1 to find the amount due on line 7.
8. If there is an amount due on line 7, ensure it is paid by the original return due date using our platform or via mail with the voucher provided.

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