Hello,
My wife and her ex-husband share joint custody of their son and have a parenting plan through the court system that states that they will alternate years on who claims him (his are the even years and hers are the odd years). In 2006 he claimed him and she signed the release of claim exemption and all was well. Fast forward to last night, after she finished filing for this tax season, she received a notice that her return was rejected because of a duplicate SSN being claimed. Sure enough, he has claimed him again this year. She called him to confirm and he said that yes he did and basically "oops I can't do anything about it" and hung up. So after calming her down and sending her to bed, I thought I'd come on here and see if anyone can let me know what could be done about this? Thanks!

