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April 20, 21, 22, 2018

Alliant Energy Center
Madison, Wisconsin

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WI Tax Form

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A  Temporary Event Tax Form (S-240) is REQUIRED by the State of Wisconsin
for all exhibitors attending Midwest Horse Fair.

After completing Part C, the S-240 form must be mailed or faxed 920.623.5454 to MHF by February 1.  If the S-240 form is not on file, Exhibitors will not be allowed to set-up and participate at Midwest Horse Fair.

Download the S-240 here: Wisconsin Temporary Event Tax Form
To use the Fillable Form feature, please open with Adobe.

Seller’s permits issued by other states are not valid for sales made in Wisconsin. Exhibitors making taxable sales in Wisconsin are required to hold a Wisconsin Tax Account Number. Those that are selling non-taxable items, exhibit only, or qualify for the occasional sales exemption are not issued a number, but still need to complete the S-240 form - providing a Federal Employer Identification Number or Social Security Number.

Important: The S-240 form is NOT an application for a Wisconsin Tax Account Number.

If Exhibitors do not already have a tax account number but are required to, an application will need to be completed directly with the Department of Revenue prior to the event. The Application for Business Tax Registration (Form BTR-101) can be completed online or by downloading an application, on the Wisconsin Department of Revenue’s website, Not all sellers are required to obtain a Wisconsin tax account number.

Information about temporary events, including forms, instructions and FAQ’s can be found at

Questions regarding applying for a Wisconsin Tax Account Number, should be directed to the Department of Reveune at or telephone at 608.266.2776