Business Tax Online Registration


Applicable Laws and Rules

This document provides statements or interpretations of ch. 71, Wis. Stats., and ch. Tax 14, Wis. Adm. Code, enacted as of October 13, 2021.

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 Guidance issued prior to this date, that is contrary to the information in this document is superseded by this document, according to sec. 73.16(2)(a), Wis.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 3-80
Wisconsin Department of Revenue​
Tax Operations Bureau
PO Box 8902
Madison, WI 53708-8902
Phone: (608) 266-2776
Fax: (608) 327-0232​
Email:DORBusinessTax@wisconsin.gov

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

Guidance Document Number: 100145

October 13​​, 2021