Utility filing deadlines approaching

January 16, 2024

To: Gross Revenue Taxpayers
Ad Valorem Taxpayers

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

Reports due by:

February 15, 2024
- Form UT-149 – Operating Utility Leased Real Property
- Form UT-149NO – Operating Utility Owned Real Property

March 1, 2024
- LM-003 – Municipal Light Heat & Power Annual Report
- LP-003 – Private Light Heat & Power Annual Report
March 15, 2024
- RE-001 – Rural Electric Association Annual Report
May 1, 2024 (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

Locate the account type in MTA
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.

You or your representative must be registered as a user in MTA to e-file your annual reports. If you or your representative are:

Already registered – you don't need to do anything at this time
Not registered – do the following to create a username and password
- Go to MTA Logon page: https://tap.revenue.wi.gov/mta/
- Click Sign Up below New? Create new username
- Complete new registration Step 1 and select Yes to the question asking if you are a Third-Party Preparer
- After completing Step 2 and receiving a username, email our Utility staff at utility@wisconsin.gov and request access to your company's form