Where my Cash app refund appear?

As soon as you receive Cash app refund, money will be automatically visible in your Cash app balance. If you have any problem with the transaction before 10 days have passed, then you have to reach the merchant directly to fix your issues. Along with this , you can contact support team to ask for refund.

https://www.cash-app-customer-service.com/blog/-get-a-refund-on-cash-app-if-sent-to-wrong-person