Once a return is filed the IRS will not allow a change of DD information ... this is a safety precaution and there is nothing TT or you can do about it. Once a DD is issued and the bank rejects the deposit the IRS automatically switches to a check mailed to the address on the return. Normally this conversion will take 2-3 weeks however we are not in normal times so it may take much longer. All you can do is what the progress report on the IRS web site : https://www.irs.gov/refunds
