| 摘要 |
A method of processing data in an invoice processing system having a plurality of customer systems includes the steps of: identifying each of the plurality of customer systems; and creating a data module set associated with each of the plurality of customer systems. An electronic billing system includes a plurality of customer systems and a data center configured to receive data from the plurality of customer systems, where the data center includes a data base. The data base further includes a data module set for each of the plurality of customer systems.
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