C-TPAT Requirements for High Security Seals

Through the C-TPAT program, the Department of Homeland Security (DHS) AND Cross Border Patrol (CBP) recommends seals which have been rated as HIGH SECURITY for cross border shipments.

To be rated as HIGH SECURITY, seals must be independently tested to pass construction and/or performance tests. The Cross Border Patrol website specifically mentions the ISO standard 17712, which was originally adopted in 2003.

However, ISO 17712 was updated in 2010. The new standard is commonly referred to as ISO 17712:2010 (E). Section E of the standard contains the specific tests to quality as a HIGH SECURITY seal.

Following is an except of the relevant text from the above CBP website as published on October 22, 2012:


Seal Requirements For Manufacturers

C-TPAT importers, carriers and manufacturers who wish to qualify for expedited processing and other related benefits under the U.S./Mexico FAST initiative will be required to adhere to the following procedures, protocols and standards with regards to the use of high security seals.


The manufacturer shall be responsible for the sealed container/trailer until such a time as the carrier assumes control.

Seals are to be affixed at manufacturer point of origin (loading). Seals will be of the high security type as per ISO guidelines (ISO/PAS 17712, Freight Containers-Mechanical Seals), adopted May 2003.


For more information about the above C-TPAT article, click on this link:

Seal Requirements for Manufacturers (www.cbp.gov)

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