If you have submitted an e-file and elected for a direct deposit, but now know the information is no longer correct (i.e. entered the bank routing number or account number incorrectly or the bank account has been closed), one of two things will happen:
To determine the status on your refund, once the return is filed and accepted, you will need to contact the IRS directly at 1-800-829-1040 or 1-800-829-4477.
For more information regarding direct deposits please refer to IRS Instructions for Form 8888.
Note that any link in the information above is updated each year automatically and will take you to the most recent IRS version of the document at the time it is accessed.