http://www.dor.state.wi.us/faqs/pcs/taxrates.html#txrate11
www.dor.state.wi.us/ise/sales/index.html
www.legis.state.wi.us/rsb/code
www.legis.state.wi.us/rsb/scr/
http://www.dor.state.wi.us/forms/sales/index.html
email – sales10@dor.state.wi.us
Tel. – (608) 266-2776
Fax – (608) 267-1030
Mail – Wisconsin Department of Revenue, Inquiry and Technical Assistance, P.O. Box 8902, Madison, WI 53708-8902