If you claimed someone you should not have claimed, and your return gets accepted, then that person cannot e-file a tax return this year. Their e-file will be rejected. The only way they can file this year is to print, sign and mail their own return. When you claimed her, you put her SSN into the system and it will be there for the rest of the year now, so even if you amend they cannot e-file. Better give them an alert so they know.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
