ScheduleET-OS: Credit for Net Tax Paid to Another State (2024)
Wisconsin · Wisconsin DOR · Used for tax years 2024
Wisconsin Schedule ET-OS calculates the 2024 credit for net tax paid to another state, including entity-level tax and tax paid on behalf of Wisconsin resident members on a composite return. It reports income taxed by both states, net tax paid, and the credit allowed, and is filed
Who files this form
Use 2024 Wisconsin Schedule ET-OS to claim a credit for net tax paid to another state with Wisconsin Schedule 5S-ET or Schedule 3-ET.
The form covers:
- Entity-level tax on income taxable to the entity in both Wisconsin and another state.
- Tax paid on behalf of Wisconsin resident members on a composite return.
What you'll need
Have these returns and figures available to complete the form:
- The other state's income tax return, including net tax after subtracting all nonrefundable and refundable credits.
- Income amounts taxed by both Wisconsin and the other state, and total income taxed by the other state.
- Wisconsin Schedule 5S-ET or Schedule 3-ET for Wisconsin taxable income and net income tax amounts.
- If completing Part B, figures for tax paid on behalf of Wisconsin resident members on a composite return.
How to file
File Schedule ET-OS with Wisconsin Schedule 5S-ET or Schedule 3-ET.
- Complete Part A for entity-level tax.
- Complete Part B if tax was paid on behalf of Wisconsin resident members on a composite return. Otherwise, skip Part B.
- Use Part C to determine the credit allowed and Part D to total the credit.
- Enter the total from line 22 on Schedule 5S-ET, line 19, or Schedule 3-ET, line 20.
The form does not provide a mailing address or e-filing directions.
Common mistakes
- On lines 4 and 9, use net tax after subtracting all nonrefundable and refundable credits.
- Carry the ratios on lines 3, 8, and 13 to four decimal places. Enter 1.0000 when the denominator is smaller than the numerator, as directed on those lines.
- Round the results on lines 5, 10, and 15 to the nearest dollar.
- Follow the special directions for Minnesota, Iowa, Illinois, and Michigan: skip lines 11 through 14, carry the applicable amounts to lines 16 and 17, and enter line 18 on line 19.
Questions people ask
What if I paid tax to more than two states?
Use additional Schedules ET-OS. Enter the line 20 amounts from those additional schedules on line 21.
Do I need to complete Part B?
Complete Part B if tax was paid on behalf of Wisconsin resident members on a composite return. Otherwise, skip it and go to Part C.
How is the allowed credit entered on line 19?
Enter the smaller of line 15 or line 18. For net tax paid to Minnesota, Iowa, Illinois, or Michigan, enter the amount from line 18 instead.
Where does the final credit go?
Add lines 20 and 21 on line 22. Transfer that credit to Schedule 5S-ET, line 19, or Schedule 3-ET, line 20.