Upcoming utility filing deadlines

April 10, 2023

To: Gross Revenue Taxpayers, Ad Valorem Taxpayers

Please disregard this message if you have already submitted your report.

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

Reports due by:

April 18, 2023 (extended due date)
- RE-001 – Rural Electric Association Annual Report
May 1, 2023 (report or extension request due)
- AC-001 – Airline
- PI-001 – Oil Pipeline
- PF-001 – Gas Pipeline
- RA-001 – Railroad Annual Report
- CR-800 – Conservation/Regulation
- MP-800 – Association of Municipal Electrics

To request an extension

Locate the account type in My Tax Account
Select File/Pay/View Returns
Select Request Extension to File
Enter the filing period(s) you are requesting an extension for and select Submit. You will receive an error message if you cannot request an extension in My Tax Account for the requested filing period.
Print a copy of the confirmation page for your records. You will be able to view the submission using the Submissions section under More... on the home screen.

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