Patent ID: 8364562

Claim:
A clearing house system for exchanging debits and credits between participating institutions, the system comprising: a plurality of remote computers of participating institutions; a central server; a network interface in communication with the clearing house computer and the plurality of remote computers over a network, the network interface being configured to receive a plurality of presentment data from one or more of the plurality of remote computers, each of the plurality of presentment data including one or more debit or credit items each having a presentment amount; a database in communication with the central server; wherein the central server is configured to: store in the database the plurality of presentment data previously received over a predetermined rolling time period; provide means for determining whether a difference between an average presentment amount of the stored presentment data for one or more of the participating institutions from which presentment data is received and the presentment amount of the currently received presentment data is within a predetermined variance; initiate the debits and credits corresponding to the presentment data if the difference is within a predetermined variance; verify the debits and credits corresponding to the presentment data if the difference is more than the predetermined variance; and communicate at least a portion of the stored presentment data via the network interface to one or more of the plurality of remote computers on demand.