A number of different tags are input in a fax cover sheet that tell an OCR system not only the identity of the supplier, but also to which client the document should be routed. The OCR system identifies a number of these tags and compares them to stored supplier data to validate to which supplier the document belongs. If the system cannot validate the document, it is routed to a GUI for manual sorting. If there is no coversheet, the system relies upon the OCR system to locate keywords on the document and caller ID information to suggest a correct supplier. The OCR system also clips a separate, horizontal slice of the document ('snippet') that corresponds to the display of any line item and places it in a data base for future reference and reporting. The application collects and associates all corresponding snippets to their originating line items.
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