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ACS Notification Options

Mailpiece Endorsements

To receive ACS handling, mailpieces in all classes except Periodicals must bear the endorsement Address Service Requested or Change Service Requested (see Exhibit 4 below). The mailpiece's proper handling will vary depending on the age of the record, which endorsement is used, the mail class, and for mailpieces that are undeliverable because of a move, whether the pieces can be forwarded. Under certain circumstances, manual notices will be provided instead of ACS notices.

Exhibit 4

ACS Mailpiece Endorsements

Class Endorsement
First-Class Mail® Address Service Requested
First-Class Mail® Change Service Requested
Periodicals No endorsement required
("Address Service Requested" is optional but should be used if return of undeliverables is desired.)
Standard Mail® Address Service Requested
Standard Mail® Change Service Requested
Package Services Address Service Requested
Package Services Change Service Requested

Note: For more information, please see DMM 507.1.5.

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