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Wisconsin Department of Revenue

 Individual Income Tax
Late-Filed Returns

  1. Am I subject to interest or penalties if I don't file my Wisconsin income tax return by the due date?
  1. Am I subject to interest or penalties if I don't file my Wisconsin income tax return by the due date?

    Your 2007 individual income tax return is due April 15, 2008, unless you have an extension of time to file. Late-filed returns may be subject to the following charges:

    • Late-filing fee --
      • $2, if the net tax is less than $10
      • $3, if the net tax is $10 or more but less than $20
      • $5, if the net tax is $20 or more
      • $30, if the return is 60 or more days late
    • Delinquent interest -- 1.5% per month (18% per year) Note: During an extension period, interest is charged at 1% per month (12% per year)
    • Negligence penalty for failure to timely file -- 5% per month of the tax required to be shown on the return, up to a maximum of 25%

FOR MORE INFORMATION PLEASE CONTACT:

WISCONSIN DEPARTMENT OF REVENUE
Customer Service and Education Bureau
P.O. Box 8949
Madison, WI 53708-8949
Phone: (608) 266-2772
Fax: (608) 267-1030
E-Mail Additional Questions

Last updated December 21, 2007