ScheduleAR: ScheduleAR (2025)
Wisconsin · Wisconsin DOR · Used for tax years 2025
Wisconsin Schedule AR explains changes reported on an amended return. It identifies the affected form or schedule lines and provides a detailed explanation of each change, and must be filed with one of the amended forms or schedules listed on Schedule AR.
Who files this form
Include Schedule AR with your amended Wisconsin return to explain your changes. The schedule lists these amended forms and schedules:
- Forms 1, 1CNS, 1CNP, 1NPR, 2, 3, 4, 4T, 5S, 6, PW-1, and X-NOL
- Schedules H and H-EZ
Schedule AR must be filed with one of the amended forms or schedules listed above.
What you'll need
Include Schedule AR and all supporting documentation with your amended return. Do not include your original return and schedules.
The schedule asks for the applicable names and identifying numbers, including your spouse’s information if you are filing a joint amended return, or the estate, trust, or entity information.
How to file
File Schedule AR with one of the amended forms or schedules listed at the top of the form, along with all supporting documentation.
On Schedule AR:
- Enter the applicable names and identifying numbers.
- Check the listed reasons that apply to your amendment.
- Identify the line references on the form or schedule you are changing.
- Explain each change in detail.
The provided form text does not give a mailing address or e-filing directions.
Common mistakes
- Filing Schedule AR by itself. The form cautions that it must accompany one of the listed amended forms or schedules.
- Leaving out supporting documentation. Include all supporting documentation with Schedule AR and your amended return.
- Including the original return and schedules. The form specifically says not to include them.
Questions people ask
What is Schedule AR used for?
It explains changes on an amended Wisconsin return. Identify the line references you are changing and explain the reasons in detail.
Can I file Schedule AR by itself?
No. It must be filed with one of the amended forms or schedules listed at the top of Schedule AR.
Should I include my original return?
No. Include Schedule AR and all supporting documentation with your amended return, but do not include your original return and schedules.
What if my reason for amending is not specifically listed?
The form includes an “Other” checkbox, code 20. You must still identify the changed lines and explain the changes in detail.