Patent ID: 8610942

Claim:
A discard certification output device which is installed in one of a document generation apparatus generating a document to which first identification information for identifying the document is given, a document discard apparatus discarding the document, and a server connected to the document generation apparatus and document discard apparatus, the discard certification output device comprising: a discard information acquisition unit that acquires, along with the first identification information, discard certificate information certifying a discard of the document to which the first identification information is given from the document discard apparatus; a discard information management unit, when the discard information acquisition unit acquires a plurality of discard certificate information for a group of a plurality of documents: that issues second identification information indicating a collective operation which discards the group of the plurality of documents in a series of operations, that stores list information organizing the second identification information and a plurality of first identification information of the plurality of documents forming said group, and that stores the list information and the plurality of discard certificate information in association with each other; and a discard certification output unit, in a case where the discard certification output device receives the second identification information, that converts the discard certificate information acquired by the discard information acquisition unit into a visible image in a predetermined format based on the list information correlated with the received second identification information by the discard information management unit and outputs the visible image as a discard certification list.