The Move Update standard is a means of reducing the number of mailpieces in a mailing that require forwarding or return by the periodic matching of a mailer’s address records with change-of-address orders received and maintained by the Postal Service.
Enrollment form for ACS™.
This document provides information on physical standards for endorsements.
This document provides information on treatment of mail.
Mailers who claim presorted or automation prices for First-Class Mail® or Standard Mail® must comply with the Move Update requirements using one of the approved address hygiene methods.