Home > About USPS & News > Forms & Publications > Postal Periodicals and Publications > Publications > Publication 80 - Bulk Proof of Delivery Program > 2 Participation > 2-8 Customer Support
The Postal Service’s Technical Support Team is available to assist mailers with certification and applications for the bulk proof of delivery program. Publication 91 provides complete information on certification procedures.
The mailer must complete and submit PS Form 5053 to the Technical Support Team as indicated on PS Form 5053.
Technical support for existing bulk proof of delivery mailers is as follows: