15. The apparatus according to claim 14 , further comprising: a document destruction member; a second determination section, wherein if the document identification information is assigned to the document, the second determination section determines, based on the document identification information, as to whether or not the retention period of the document has expired; and a controller that controls the document destruction member to destruct the document if the retention period of the document has expired, wherein: if the retention period of the document has not been expired, the document reader reads the document to acquire the image of the document.
14. A document destruction apparatus configured to be connected to an administration apparatus comprising a document administration information storage section that stores administration information containing at least document identification information assigned to a document and a retention period of the document via a communication line, the document destruction apparatus comprising: an identification information reader that reads, from the document, the document identification information assigned to the document, a first determination section that determines, based on a reading result by the identification information reader, as to whether or not the document identification information is assigned to the document, and a document reader that reads the document to acquire an image of the document if the document meets a predetermined read condition, the document reader that reads the document to acquire the image of the document if no document identification information is assigned to the document.