BUSIform
Filing Addresses for State of Iowa
Federal
Busiform Envelope
Envelope Size
State
Busiform Envelope
Returns with Refunds or No Payment Department fo the Treasury
Internal Revenue Service
Fresno, CA 93888-0002
EF10-5
EF69-5
EF912-5
#10½
6 x 9
9 x 12
Iowa Income Tax
Refund Processing
Hoover State Office Building
Des Moines, IA 50319-0120
EIA1-R
EIA6-R
EIA9-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
Iowa Income Tax
Document Processing
PO Box 9187
Des Moines, IA 50306-9187
EIA1-O
EIA6-O
EIA9-O
Estimated Payments Internal Revenue Service
PO Box 802502
Cincinnati, OH 45280-2502
ES09-C2
#9
PO Box 9187
Des Moines, IA 50306-9187
EIA9-ES
Corporations, Partnerships, etc

Department of the Treasury
Internal Revenue Service
Cincinnati, OH 45999

EF10-4
EF69-4
EF912-4
#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.