If your son said he cannot be claimed then you will have a mismatch in the system. You cannot e-file if your son already filed and said he cannot be claimed. So now if you are going to claim him, you have to file by mail. And he has to amend his return and change his answer in My Info to say he CAN be claimed as someone else's dependent. If he is getting the $1400 stimulus he will have to pay it back.
**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.**
