Warehouse Arrival Certification Message (WACM)

Warehouse Arrival Certification Message (WACM)

The WACM message is a component of the Release Notification System (RNS) of the Canada Border Services Agency (CBSA).

The WACM message is sent by a warehouse operator to the Canada Border Services Agency when an unreleased consignment headed to the warehouse finally arrives. It is required to be sent to the CBSA for each CCN (cargo control number) whose final destination is that warehouse.

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