Wisconsin Updates Information on Extension of Time to File

April 13, 2018 Nicolette Chasse

The Wisconsin Department of Revenue updated Publication 401, "Extensions of Time to File."  This document establishes deadlines for key reporting forms as well as their deadlines, methods of filing for extensions, and the potential length of extension a filer may receive.  While there have been no change to the instructions, the following forms have had their deadlines updated:

 

  • Forms 4 and 6, Corporation franchise or income tax returns: the deadline has moved from the 15th of the third month after the end of the taxable year to the 15th day of the fourth month after the end of the taxable year
  • Exception: if a corporation's fiscal year ends June 30, the deadline remains at the 15th day of the third month after the end of the taxable year
  • Form 4H, declaration of inactivity: the deadline has moved from the 15th of the third month after the end of the taxable year to the 15th day of the fourth month after the end of the taxable year
  • Form 3, partnership returns:  the deadline has moved from the 15th of the fourth month after the end of the taxable year to the 15th day of the third month after the end of the taxable year
  • Reminder:  WI Form 9b, Federal W-2, 1099-MISC, and 1099-R: the deadline has moved to January 31

To read Publication 401 in full, please follow the link.

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