Upload or mail the needed PDF directly. See Schedule H & H-EZ Instructions, page 5:
When you file electronically, within 48 hours after receiving your Wisconsin acknowledgment you must send all of the required Schedule H or H-EZ attachments along with a completed Form W-RA, Required Attachments for Electronic Filing.
You may either mail the form and attachments to the address listed in the Form W-RA instructions or attach them electronically at https://tap.revenue.wi.gov/WRA/.
For additional information, see the department’s website at revenue.wi.gov or contact any department office.
For more information, see:
Claiming the Wisconsin Homestead Credit, question and answers 2 and 9.
For your future reference, see: Attaching PDF to claim Wisconsin Homestead Credit.
