The refund will go back to the IRS. Then the IRS will issue a paper check and mail it to the address you used on your tax return. This will delay your refund for several weeks.
Going forward---do not try to use someone else's bank account. There are too many ways for it to go wrong--including what you are now experiencing.
https://ttlc.intuit.com/questions/1901159-can-i-deposit-my-tax-refund-into-someone-else-s-account
**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.**
