1. A document issuing apparatus for printing item sale and delivery control information for each of a plurality of transactions, involving the sale and delivery of an item, which information is presented on an order form for each of a plurality of transactions, onto an individual set of transaction control slips for each transaction, said apparatus comprising: (a) optical means for reading from a plurality of said order forms, item sale and delivery control data representing transaction control information for a plurality of transactions, said control data including item classification data; (b) storage means for storing said sale and delivery control data; (c) processing means for ordering said sale and delivery control data for said plurality of transactions in response to said classification data contained in said transaction control information for each transaction, and for organizing said sale and delivery control data for each transaction into a format compatible with the format of said transaction control slips; and (d) printing means for simultaneously printing both said transaction control information for each transaction and format data representing the format of said control slips to form a set of said transaction control slips for each transaction, said set of transaction control slips being printed in an order determined by said classification data for each transaction.