Follow the steps to fill out the IN State Form 54259 online

1. Click ‘Get Form’ button to acquire the form and open it in your preferred editor.
2. Review the first section where you must enter the military servicemember's spouse’s name and Social Security Number. Ensure that all personal information is accurate and up-to-date.
3. Next, input the military servicemember's name and Social Security Number in the designated fields.
4. Proceed to Part 1, where you will figure your deduction. Enter the military spouse’s earned income from Indiana sources in line 1. This includes wages, salaries, tips, and compensation.
5. In line 2, fill in the servicemember’s spouse’s income as reported on Indiana’s Schedule A, ensuring you do not include the servicemember's income.
6. Add the amounts from lines 1 and 2b in line 3 to determine the total earned income from Indiana sources. This amount must be reported in Indiana’s Schedule C under line 11, using the code 625.
7. Complete Part 2 by entering the 2-letter code for your state of domicile. Subsequently, confirm whether you are including the income on your domicile’s tax return by selecting Yes, No, or N/A.
8. If you answered No or N/A in line 2, provide a brief explanation as requested.
9. Before concluding, ensure you enclose a copy of the servicemember’s military W-2 to support your deduction claim.
10. Finally, save your changes, download the completed form, print a copy for your records, or share it as necessary.

Start filling out the IN State Form 54259 online to successfully claim your earned income deduction.