Reminder – May 1 filing deadline

April 25, 2023

To: 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 the upcoming May 1, 2023, filing deadline. All reports are located in My Tax Account.

Reports due by May 1 (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

  1. Locate the account type in My Tax Account
  2. Select File/Pay/View Returns
  3. Select Request Extension to File
  4. 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.
  5. 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.

Questions?

Contact us at utility@wisconsin.gov.

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