Reminder – March 1: M-Form Filing Deadline Approaching

​​​​February 24, 2023

To: Manufacturers​​, Tax Professionals​


  • Disregard this reminder if you already filed or requested an extension to file your 2023 M-Forms
  • The 2023 M-Form filing deadline is Wednesday, March 1, 2023

The Wisconsin Department of Revenue (DOR) would like to remind state-assessed manufacturing property owners of the upcoming deadlines for filing 2023 Manufacturing Property Returns (M-Forms).​

March 1 – Filing Deadline (2023 Forms M-L, M-P, M-R)

  • Form M-P (PA-750 P) – Manufacturing Personal Property Return
  • Form M-R (PA-750 R) – Manufacturing Real Estate Return
  • Form M-L (PA-750 L) – Leased, Rented, or Loaned Personal Property Return

Note: See our website for information on how to e-file these forms in My Tax Account in 2023.

Account Filing Information