It is quite possible that the bank will reject a deposit for someone whose name is not on the account. If that happens, it will be sent back to the IRS. Then the IRS will issue a paper check and mail it to you at the address you put on your tax return. It will delay your refund by at least a couple of weeks.
**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.**