2020 Forms Available

January 8, 2020

To: Gross Revenue Taxpayers, Ad Valorem Taxpayers


The 2020 online forms are now available on the Wisconsin Department of Revenue website. Important filing dates and information are listed below.


February 17, 2020 – forms due


March 2, 2020 – reports due


March 16, 2020 – report due


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.