If the refund was recorded on a deposit of grouped undeposited funds

If you want to reverse a vendor's refund that was recorded on a bank deposit of receipts grouped in the undeposited funds account, use the procedure To reverse a vendor refund recorded on a bank deposit for undeposited funds.

Whether a bank deposit or an individual payment included on a bank deposit can be reversed depends on whether your company file is changeable or unchangeable. (Choosing changeable or unchangeable transactions)