Abstract: In order to maximize postal discounts in connection with binding line operations, a system and method for co-mailing a plurality of diverse publications to their intended recipients is disclosed. The system and method contemplate preparing and addressing copies of each of the diverse publications on at least one binding line. Mailing information is then recorded for each of the diverse publications exiting from the binding line. The diverse publications are then each assembled in a predetermined order as the copies exit from the binding line following which each of the diverse publications is placed in position for feeding each of the copies to a co-mailing line in a predetermined order relative to the order of exit from the binding line. Mailing information is then assembled for all of the diverse publications to control or otherwise facilitate the operation of the co-mailing line by permitting the diverse publications to be accumulated for co-mailing purposes.