After you file

Did you already e-file?  If it rejects you can make a correction and re-submit it.  If it is accepted even with the incorrect information, you have to wait for it to be processed before you can amend it.  Do not try to change anything while the return is pending.
**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.**