Utility filing deadlines approaching

March 8, 2021

To: Gross Revenue Taxpayers, Ad Valorem Taxpayers


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

March 15

Report due by March 15, 2021

April 1

Reports due by April 1, 2021 (Extended Due Date)

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.

Questions?

Contact us at utility@wisconsin.gov.