Abstract: An electronic tax declaration system includes an input unit that receives financial information data to be declared; a data conversion unit that converts the received financial information data according to specifications of declaration data; a declaration data generation unit that adds a digital signature to the converted financial information data for generating declaration data and stores it into a storage; a declaration transmission unit that sends the declaration data to a regulator handling a tax; a declaration result reception unit that receives a declaration result of the declaration data from the regulator and stores it into the storage associated with the declaration data; and a loan application unit that creates loan application data by extracting the declaration data and the associated declaration result from the storage and adding a digital signature to them and sends the created loan application data to an external unit.

Abstract: A document managing system includes a document receiving section for receiving document, a document item database for storing a correspondence between the document data and bill of lading (B/L) data, a B/L creating section for creating B/L data according to the document data and the document item database. The document managing system also includes a letter of credit (L/C) storage for storing L/C data, a document storage for storing the document data and the B/L data, a document data collation database for storing a correspondence between the L/C data and the document data, a negotiation request receiving section for receiving negotiation request data for a document bill to which an identifier of the document data is set, and a document collating section for collating, according to the document collation database, the document data indicated by an identifier set to the negotiation request data with the L/C data.

Abstract: An electronic tax declaration system includes an input unit that receives financial information data to be declared; a data conversion unit that converts the received financial information data according to specifications of declaration data; a declaration data generation unit that adds a digital signature to the converted financial information data for generating declaration data and stores it into a storage; a declaration transmission unit that sends the declaration data to a regulator handling a tax; a declaration result reception unit that receives a declaration result of the declaration data from the regulator and stores it into the storage associated with the declaration data; and a loan application unit that creates loan application data by extracting the declaration data and the associated declaration result from the storage and adding a digital signature to them and sends the created loan application data to an external unit.