Download Form 1-ES (PDF)

Wisconsin Estimated Individual Income Tax Return updated 02/2013

Printable Wisconsin Income Tax Form 1-ES

You must pay estimated income tax if you are self employed or do not pay sufficient tax witholding. Estimated tax payments must be sent to the Wisconsin Department of Revenue on a quarterly basis. For more information, see the Wisconsin Income Tax page.

Source: http://www.revenue.wi.gov/forms/2012/12d-101.pdf