Chargebacks For PayEase China Processing, banks become involved in resolving disputes only for international credit cards. In such cases: ■ The standard chargeback policies are followed as governed by American Express, JCB, Mastercard International, and Visa International. ■ PayEase notifies you about these chargebacks; they appear in the Payment Events Report. For all other forms of payment, you and the customer must reach agreement about reimbursements for problems with products and services.