Upcoming Filing Deadlines

March 23, 2020

To: Gross Revenue Taxpayers, Ad Valorem Taxpayers

The Wisconsin Department of Revenue (DOR) would like to remind you of the upcoming filing deadlines.

April 1

Reports due by April 1, 2020 (Extended Due Date)

April 15

Reports due by April 15, 2020

To request an extension

Note: DOR will apply a non-appealable late filing penalty to all reports filed after the due date with no extension.

If you have any questions, contact us at utility@wisconsin.gov.