- Select the ID Type you will be using (SSN, FEIN or middle 10 numbers (between hyphens) Wisconsin Tax Number - WTN)
- Enter the ID number
- Enter one of the following:
- The amount of one of the last three payments made, OR
- The amount of Wisconsin income from your most recently filed tax return:
- Line 7 of the 2022 Form 1
- Line 5 of the 2020 or 2021 Form 1
- Line 30 of the 2021 or 2022 Form 1NPR
- Line 31 of the 2020 Form 1NPR
- Press the "Search" button
For additional inquiries please see question 4 of the Individual Income Tax Estimated Tax Payments.