68. The method of claim 66 , wherein the at least one criterion comprises a document being a suspect bill.
66. The method of claim 65 , wherein the processing each document in a batch of documents preceding a separator card comprises: determining whether a particular document meets or fails to meet at least one criterion; detecting characteristic information associated with each document, the characteristic information including at least the value of a document; determining a batch total corresponding to the cumulative value of documents in the batch of documents that fail to meet the at least one criterion; associating the batch total of the batch of documents with the source identification information of the associated separator card; and storing the source identification information and the associated batch total in a memory.