User Guides
01/18/2024
Guide to Move Update

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.

FAQs
07/06/2022
Ancillary Services for Parcel Select and Parcel Select Lightweight FAQs

Frequently Asked Questions for Ancillary Services for Parcel Select and Parcel Select Lightweight

FAQs
07/06/2022
Ancillary Services for Parcel Select and Parcel Select Lightweight FAQs

Frequently Asked Questions for Ancillary Services for Parcel Select and Parcel Select Lightweight

Applications/ Forms
03/15/2019
ACS™ Enrollment Form

Enrollment form for ACS™.

Fact Sheets
05/05/2015
Move Update at a Glance

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.