BUSIform
Filing Addresses for State of Wisconsin
Federal
Busiform Envelope
Envelope Size
State
Busiform Envelope
Returns with Refunds or No Payment Department of the Treasury
Internal Revenue Service
Fresno, CA 93888-0002
EF10-5
EF69-5
EF912-5
#10½
6 x 9
9 x 12
Wisconsin Department of Revenue
PO Box 59
Madison, WI 53785-0001
EWI1-R
EWI6-R
EWI9-R
Returns with Balance Due Internal Revenue Service
PO Box 802501
Cincinnati, OH 45280-2501
EV10-C2
EV69-C2
EV912-C2
#10½
6 x 9
9 x 12
Wisconsin Deartment of Revenue
PO Box 268
Madison, WI 53790-0001
EWI1-O
EWI6-O
EWI9-O
Estimated Payments Internal Revenue Service
PO Box 802502
Cincinnati, OH 45280-2502
ES09-C2
#9
Wisconsin Department of Revenue
PO Box 2942
Milwaukee, WI 53201-2942
EWI9-O
Corporations, Partnerships, etc

Department of the Treasury
Internal Revenue Service
Cincinnati, OH 45999-0012

EF10-412
EF69-412
EF912-412
#10½
6 x 9
9 x 12

Note: Addresses above reflect latest information we have available, but are subject to change. If you have more up-to-date information, please Thank you.