Follow the steps to complete the form accurately.

1. Click ‘Get Form’ button to obtain the form and open it for completion.
2. Enter your social security number in the designated field at the top of the form. This number is essential for identifying your tax records.
3. Provide the name(s) shown on your Form RI-1040. Ensure that the names match exactly as they appear on your tax documentation.
4. In the first part of the form, calculate your RI income tax from RI-1040, page 1, line 8 and subtract the allowable federal credit from RI-1040, page 3, line 22. Enter this amount on line 1.
5. Next, report the income derived from the other state in the corresponding field. This is necessary for determining your credit.
6. Input your modified federal adjusted gross income (AGI) from RI-1040, page 1, line 3 in line 3 of the part you are completing.
7. Divide the income from the other state (line 2) by your modified federal AGI (line 3) and enter the result on line 4.
8. Calculate the tentative credit by multiplying the amount from line 1 by the result on line 4 and enter this amount on line 5.
9. On line 6, record the tax due and paid to the other state, using the abbreviation for the name of the state paid.
10. Determine the maximum tax credit by noting the smallest amount among line 1, line 5, or line 6, and enter it on line 7.
11. Repeat the above steps for additional parts (2, 3, 4) if necessary, following the same calculations to report income and credits for each additional state.
12. For part 5, you will total the maximum tax credits from parts 1 through 4 and enter this total on line 30.
13. Finally, ensure all calculations are accurate. Save your changes and download, print, or share the completed form as necessary.

Complete your RI RI-1040MU form online today for a smoother tax filing experience.