System, apparatuses, methods and computer program for producing a batch of mail items and providing and generating identification codes

摘要

A method and apparatus for producing a batch of mail items. A number of sheets are assembled to at least two documents, wherein at least two of the documents each contain at least two sheets. Each of the sheets in the batch is provided with a unique identification code unique to each sheet in the batch. The documents are assembled to one or more mail items. At least one unique identification code is read and the read unique identification codes are tested against a criterion. An error message is provided if the characteristic does not meet the criterion.