Definitions for "Presort"
Keywords:  mailer, usps, finest, zip, liminaire
Mail that is sequenced, grouped and containerized by the mailer in order to enable Canada Post to bypass various processing steps within its mail distribution network. (tri préliminaire)
The process by which a mailer groups mail by ZIP code so that it is sorted to the finest extent required by the standards for the rate claimed. Generally, presort is performed sequentially, from the lowest (finest) level to the highest level, to those destinations specified by standard, and is completed at each level before the next level is prepared. Both First Class & Standard class can be produced as a presorted mailing.
The process by which a mailer groups mail by ZIP Code so that it is sorted to the finest extent required by the standards for the rate claimed. Generally, presort is performed sequentially, from the lowest (finest) level to the highest level, to those destinations specified by standard and is completed at each level before the next level is prepared. Not all presort levels are applicable to all mailings.