C-TPAT SECURITY Container Seals & Inspection

As participants in Customs‐Trade Partnership Against Terrorism (C-TPAT), Green Worldwide Shipping strives to inform our partners about importance of cargo security.


Cargo seals have long been part of good security practices. Their principal purpose is to assure carriers, beneficial owners of cargo, and government officials that the integrity of a shipment is intact by serving as a “tell‐tale” sign of tampering. The sealing of trailers and containers, to include continuous seal integrity, are crucial elements of a secure supply chain. Seals used to secure loaded containers and trailers bound for the U.S. must meet or exceed the current PAS ISO 17712 standards for high-security seals. U.S. Customs requires that all partners in the supply chain institute procedures for recognizing and reporting compromised seals to CBP or the appropriate foreign authority.

It is critical that all partners in the supply chain have security procedures in place at the point of stuffing, procedures to inspect, properly seal and maintain the integrity of shipping containers and trailers. Important are the 7‐point inspection process for empty containers prior to loading the cargo, as well as the 17‐point inspection process for all trailers/tractors.

Check out a video version of the Container Inspections Procedure Manual below!

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