Underpayment Interest

  1. What is underpayment interest?

  2. How do I report underpayment interest?



FOR MORE INFORMATION PLEASE CONTACT:

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 additional questions to DORBusinessTax@wisconsin.gov

February 22, 2019