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Detailed Information for : Withholding Tax, Wisconsin Employer Identification Number

Description:	A Wisconsin Employer Identification Number (WEIN) is required for employers who pay wages subject to withholding of Wisconsin income tax or for other persons with a withholding requirement (e.g., third-party payers of sick-pay plan benefits or payers of pension benefits when the recipient requests in writing that Wisconsin income tax be withheld). Only one Wisconsin employer identification number will be issued to an applicant for withholding tax purposes, regardless of the number of business locations.
License Type:	Original
Duration:	The BTR certificate is renewable every two years
Fees:	There is no fee for the Wisconsin Employer Identification Number. However persons wanting a Wisconsin Employer Identification Number must hold a Business Tax Registration (BTR) Certificate. There is a one-time $20 charge for the BTR Certificate. This certificate is renewable every two years for $10.
Additional Information:	See a list of Frequently Asked Questions
Instructions:	Application for Registration Instructions
Application Form(s):	Application for Business Tax Registration
To Apply Directly Online:	Application for Business Tax Registration, On-Line Registration
Wisconsin Statutes:	Employer Withholding (S. 71.64(1)(a))
Administrative Rules/Codes:	Withholding Wages (Revenue Tax 2.90)
Contact Information
Contact:	Customer Service Bureau
Home Page:	http://www.revenue.wi.gov
E-mail :	sales10@revenue.wi.gov
Hours of Operation:	7:45 a.m. - 4:30 p.m., Monday through Friday
Phone:	(608)266-2776
Fax:	(608)264-6884
TTY/TDD:	(608)267-1049
Mail Address:	PO Box 8902, Madison, WI 53708-8902
Street Address:	2135 Rimrock Road, Madison, WI 53713
Agency Web Site:	Department of Revenue

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For additional assistance with business-related license, permit and registration information please email the Department of Commerce's Business Development Assistance Center or phone them at 1-800-HELP-BUS(iness) (1-800-435-7287). In addition, you may also find business start-up information at Build Your Business.