May 15, 2026
To: Municipal Clerks and County Clerks
Cc: Municipal Treasurers and County Treasurers
Please disregard this email if you've already filed your Municipal Financial Report
The Wisconsin Department of Revenue (DOR), State and Local Finance Division would like to remind you of today's Municipal Financial Report (MFR) filing deadline.
Form Information
MFR forms are available on our
website and e-filed through
MyDORGov. Make sure to choose the correct form.
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Due date – May 15, 2026
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Form A – for counties
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Form C – for cities and villages (and towns with proprietary funds)
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Form CT – for towns (without proprietary funds)
Need help? Watch the training videos on our
MFR Training web page.
Late Filing or Non-filing
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Late filing – if DOR does not receive a complete and accurate form by the extended due date (sec.
86.303(5), Wis. Stats:
- Your county/municipality is charged a late filing penalty, which reduces your General Transportation Aid payments
- This penalty is calculated and imposed by the Wisconsin Department of Transportation
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Non-filing – if DOR does not receive your form:
- DOR may request that a certified public accountant complete the form using your county/municipal records
- Your county/municipality is charged for this service
Questions?
Contact us at lgs@wisconsin.gov.