Underpayment Interest


Applicable Laws and Rules

This document provides statements or interpretations of the following laws and regulations enacted as of October 11, 2023: secs. 71.03, 71.09 and 71.64, Wis. Stats., and sec. Tax 2.04, Wis. Adm. Code.

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 Guidance issued prior to this date, that is contrary to the information in this document is superseded by this document, according to sec. 73.16(2)(a), Wis.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

​​​Contact Us

MS 5-77
Wisconsin Department of Revenue​
Customer Service Bureau
PO Box 8949
Madison, WI 53708-8949
Phone: (608) 266-2776
Fax: (608) 267-1030
Email: ​ ​ DORBusinessTax@wisconsin.gov

The department welcomes your input on our guidance. Submit comments on this guidance document.

Guidance Document Number: 100086

October 11, 2023