1065 Wisconsin electronic filing information

State contact information

If you have specific questions about what you can e-file or about rejections you received, contact the state for more information.
Wisconsin Department of Revenue
PO Box 8949
Madison, WI 53708-8949
Phone
: 608-266-2776
Tax refund inquiries
: 866-947-7363

State electronic filing details

E-filing information
Details
Grace period
10 calendar days
E-filing mandate
Yes
Accepts state-only filings
Yes - Attach the federal XML created for this State (Default) - Only Federal e-file validation errors have to be cleared. E-file Reject Diagnostics do not have to be cleared
Return types accepted
Partnership
Composite
Return types not accepted
Extension
Estimates
Consolidated
Composite Extension
Amended
Direct deposit of refunds
Yes
Accepted forms of payment
Direct debit (EFW)
Electronic funds transfer (EFT)
Signature requirements
Act of e-filing is considered to be signature
Supports PDF attachments
Yes
Tax year(s) supported for e-filing
Current tax year and two prior tax years
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