ScheduleCU-1: ScheduleCU-1 (2025)
Wisconsin · Wisconsin DOR · Used for tax years 2025
Wisconsin Schedule CU-1 calculates a credit union's adjustment to income for income earned from non-public deposits. It reports public and total deposits, calculates the percentage of non-public deposits, and determines the amount of exempt income.
Who files this form
Schedule CU-1 is for credit unions computing a Wisconsin income adjustment for income earned from non-public deposits. The 2025 schedule says to file it with Wisconsin Form 4 or Form 6.
What you'll need
Have the following information ready to complete the 2025 schedule:
- The credit union's name and federal employer ID number.
- Public deposit and total deposit balances for January 1 and each month-end date listed on the form.
- For Form 4 filers, income reported or included on Form 4, line 1, addition modifications from Schedule 4V, and subtraction modifications from Schedule 4W.
- For Form 6 filers, the amounts from Part II, lines 5 and 4o.
- If not using the shortcut method, expenses directly related to income from deposits and expenses directly related to income from non-public deposits.
How to file
File Schedule CU-1 with Wisconsin Form 4 or Form 6.
After calculating the exempt income on line 9:
- Form 4 filers: enter or include the amount on Schedule 4W, line 15.
- Form 6 filers: enter the amount on Form 6, Part II, line 4n.
The supplied form does not provide a mailing address or e-filing directions.
Common mistakes
Follow these reminders printed on the form:
- Read the instructions before filling in the schedule.
- Enter expenses on lines 5 and 8 as positive numbers.
- If you use the shortcut method, skip from line 4 to line 9 and use the shortcut calculation printed there.
Questions people ask
How do I calculate the monthly average deposits?
Add the balances listed in Part I to get the totals on line 1n. Divide each column's total by 13 and enter the result on line 2.
How do I calculate the percentage of non-public deposits?
First, divide line 2, column A, by line 2, column B, and multiply by 100 to calculate the public deposit percentage on line 3a. Subtract that percentage from 100% to get the non-public deposit percentage on line 3b.
What is the shortcut method?
After completing line 4, skip to line 9. Multiply the amount on line 4 by the percentage of non-public deposits on line 3b and enter the result on line 9.
What does the amount on line 9 represent?
Under either calculation method, line 9 is the amount of exempt income earned from non-public deposits.