To eliminate transitions which cannot manage a situation even in a system by referring to a situation using data which uniquely shows transmission source FAX as a key even in the transaction of a transaction serial number undecided state.

Even in the transaction of a transaction serial number undecided state, the situation can be referred to using data which uniquely shows transmission source FAX as a key. In such a case, the store number of the transmission source of transaction can be decided from FAX-ID data in reception FAX data and store number data can be set to be key data for referring to the transaction serial number undecided transaction data state at every store. For referring to the transaction serial number undecided situation by terminals 25 and 27 on a processing system 20, a screen for reference is called and the sore number of a business store 10 whose transaction serial number undecided transaction data situation is to be decided is inputted. Recognition result data on only the transaction of the store is retrieved and extracted from a recognition result DB 24 with the store number as the key and it is displayed on a terminal screen.