Telco Extension

To request a filing extension date of April 1, 2015, complete the form below. Note: All fields are required.

You must request the filing extension by the T-form due date of March 2, 2015.

After you review your information, click "Submit." After you submit your request, you will see a confirmation page. Print a copy for your records. Note: The confirmation page is the only response from the Wisconsin Department of Revenue.

If you have questions, contact us at


December 10, 2014