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Where to Mail Completed Form 8857

Processing of Forms 8857, Request for Innocent Spouse Relief, is centralized at the Cincinnati Centralized Innocent Spouse Operation (CCISO), located in Covington, Kentucky.

Mail your completed Form 8857, Request for Innocent Spouse Relief:

If using the U.S. Postal Service to

Internal Revenue Service
P.O. Box 120053
Covington, KY 41012

If using a private delivery service to

Internal Revenue Service
201 W. Rivercenter Blvd., Stop 840F
Covington, KY 41011

OR

You may fax the Form 8857 and attachments to the IRS 855-233-8558

Please write your name and social security number on any attachments

The length of time to process your request could increase if you mail your completed Form 8857 to any other office.

Page Last Reviewed or Updated: 15-Oct-2014