The oversight of payment and securities settlement systems in hong kong - setting out the oversight activities conducted by the hkma under the clearing and settlement systems ordinance and the informal oversight framework for retail payment systems in hong kong 监察香港的支付及证券交收系统载述金管局根据结算及交收系统条例进行的监察工作及有关本港零售支付系统的非正式监察架构。