Abstract: A rules engine for applying rules from a reviewing network to data signals from an originating network is described. The rules engine includes a processor coupled to a memory device. The rules engine is coupled to the reviewing network, and is configured to receive a clearing data signal from the originating network. The clearing data signal includes clearing data for at least one transaction that has been processed by the originating network. The originating network and the reviewing network are payment networks. Additionally, the rules engine generates a clearing response data signal that includes clearing response data by comparing the clearing data to the set of predefined rules stored in the memory device. The clearing response data indicates that the reviewing network will not guarantee settlement of at least one transaction included in the clearing data. The rules engine transmits the clearing response data signal to the originating network.