And as to why TT did not alert you to this situation .... TT had no idea the account you wanted the third party bank to send the money to was for PP ... all TT sees is a routing and account number for a bank account. Not until the return is filed is the info sent to the processing bank and they check the account you indicated for the deposit ... at that point the fact it was for PP was first known. So the third party bank is the one who sent the notice and will need alternative deposit info.
