Individual Income Tax Late-Filed Returns

The due dates for filing and making payments for certain 2019 income/franchise tax returns have changed, including due dates for certain estimated tax payments for tax year 2020. The documents on this web page may not reflect the new due dates. For information on the new filing and payment due dates, see the article Wisconsin Tax Return Due Dates and Payments.


Applicable Laws and Rules

This document provides statements or interpretations of the following laws and regulations enacted as of January 8, 2020: Sections 71.03, 71.82 and 71.83, Wis. Stats., and sec. Tax 2.08, Wis. Adm. Code.

Laws enacted and in effect after January 8, 2020, new administrative rules, and court decisions may change the interpretations in this document. Guidance issued prior to January 8, 2020, that is contrary to the information in this document is superseded by this document, pursuant to sec. 73.16(2)(a), Wis. Stats.

FOR QUESTIONS OR COMMENTS CONTACT:

MS 5-77
WISCONSIN DEPARTMENT OF REVENUE
Customer Service Bureau
PO Box 8949
Madison, WI 53708-8949
Phone: (608) 266-2486
Fax: (608) 267-1030
Email additional questions to DORIncome@wisconsin.gov

Guidance Document Number: 100065

January 8, 2020