PS 5053: Bulk Proof of Delivery Application
Bulk proof of delivery provides mailers the opportunity to receive proof of delivery (delivery record) information in bulk. Participation is limited to mailers who use a Mailer ID in their labels or in an electronic file. Mailers previously registered with the Postal Service™ may use their existing Mailer ID. Customers not previously registered with the Postal Service will be assigned a Mailer ID. Mailers must complete a certification process and/or authorization process to participate.