The injured spouse on a jointly filed tax return files Form 8379 to get back their share of the joint refund when the joint overpayment is applied to a past-due obligation of the other spouse. Current Revision Form 8379 PDF Instructions for Form 8379 (Print Version PDF) Recent Developments None at this time. Other Items You May Find Useful All Revisions for Form 8379 About Publication 555, Community Property About Publication 971, Innocent Spouse Relief About Form 8857, Innocent Spouse Relief Other Current Products Related About Form 1040, U.S. Individual Income Tax Return About Form 8822, Change of Address