Cash app is a reliable source of money transfers and exchanges over the Internet. Refunds from any merchant can take up to 10 business days. As soon as the payment application receives a . it will automatically send it to the balance of the cash register application. Between this ten-day period, if you have any questions, you can contact the institution directly for a better solution. If, on the other hand, you would like to know how to get a cash refund. You can speak to customer service representatives, However, you can visit this website for full information.