When is a Container Placard with IMcb Required?

The Intelligent Mail Container Placard is used on containers such as pallets, All Purpose Containers (APC), hampers, and pallet boxes.  The container placard includes the Intelligent Mail Container Barcode (IMcb) and text identifying the mail owner, destination, and type of mail.  Read more.

Via USPS RIBBS

When is a Container Placard with IMcb Required?

The USPS has issued a guide for mailers to use to determine what mail needs to be palletized for Full-Service mailings. This guide is available on the RIBBS web site by logging on to https://ribbs.usps.gov/intelligentmail/documents/tech_guides/FullServiceContainerPlacarding.pdf