The only way at the moment is to see if the party who signed is still working at the credit union. If he is still there, it is easier to go directly to the party with the receipt. If he does not accept the account, then go to them directly. If the leader above complains to him, the problem will be solved. However, if the person concerned no longer works at the credit union, the only way is to find him in person and ask him to repay the money. If he doesn't pay it back, it's easy to do. Is there a number on the bank receipt? If so, you can go directly to The response of their head office should also be exempted and does not fall within the scope of your responsibility! The credit union only needs to report it to the head office and it will be approved!