E-filing is secure and allows you to electronically prepare, save, file, view and print returns. Only an authorized users(s) has access to your information online. Once you finish e-filing, you get immediate confirmation that the Wisconsin Department of Revenue received your return or request.
Due Date - March 1
- You must file your manufacturing form (M-Form) or extension request on or before March 1, with the
Manufacturing & Utility Bureau District Office in your area
- If you mail your return or extension request, it must be postmarked on or before March 1. DOR will deny a request if it is postmarked after March 1.
E-filing - Manufacturing Assessment System
File or amend your form
M-L Form: Leased, Rented, or Loaned Personal Property Return
M-P Form: Manufacturing Personal Property Return
M-R Form: Manufacturing Real Estate Return
Other Online Services
For more information or if you have trouble e-filing your M-form, contact the
DOR Manufacturing & Utility District Office in your area.