What is Form WT-7 file transmission?
It is a secure process developed by the Department of Revenue (DOR) for employers and/or their representatives to transmit their Employers Annual Reconciliation of Wisconsin Income Tax Withheld from Wages (Form WT-7) data to DOR via an electronic file over the Internet.
How do I get started?
Carefully review the
information and instructions on our website.
How do I make a payment?
All payments must be made by electronic funds transfer (EFT). Methods available:
- Include your bank and payment information in the XML document.
- ACH Credit (contact your financial institution).
- Pay online through
My Tax Account.
How do I file timely?
- Transmit returns without EFT payment by 11 PM on the due date.
- Transmit returns with EFT payment by 4 PM CST at least one business day prior to the due date.
- If the due date falls on a weekend or bank holiday, the due date is extended to the next business day.
How do I change a filed return?
Electronic returns cannot be recalled or intercepted in process after transmission. Changes to any entries after a return has been acknowledged must be retransmitted as an amended return. Check the Amended Return Indicator in the Return Header.
DORDeveloperRelations@wisconsin.gov for further information. List XML Withholding WT-7 in the subject line.
Applicable Laws and Rules
This document provides statements or interpretations of the following laws and regulations in effect as of November 4, 2019: Sections 71.65, 71.80 and 73.03(1), Wis. Stats., and sec. Tax 1.12, Wis. Adm. Code.
Laws enacted and in effect after November 4, 2019, new administrative rules, and court decisions may change the interpretations in this document. Guidance issued prior to November 4, 2019, that is contrary to the information in this document is superseded by this document, pursuant to sec. 73.16(2)(a), Wis. Stats.
FOR QUESTIONS OR COMMENTS CONTACT:
WISCONSIN DEPARTMENT OF REVENUE
Customer Service Bureau
PO Box 8949
Madison, WI 53708-8949
Phone: (608) 266-2776
Fax: (608) 327-0232
Email additional questions to