If you paid the wrong person and it goes into their bank account, now the sending bank needs to request the money bank and that often requires the receiving bank to formally request the person to receive the money for their permission to return it. Also, you will be wondered about How to get a refund on cash app? The Cash App refund can be a complicated issue if you accidentally send money to a recipient who is not willing to refund the payment. This is because Cash App payments are instant. There's nothing you can do once the recipient accepts the payment and is unwilling to refund the funds.