On November 5, 2018, U.S. Customs and Border Protection (CBP) published the requirements for Truck Section 321 shipments in Cargo Systems Messaging Service (CSMS) #18-000656.
CBP will require all commercial truck shipments containing Section 321 merchandise to file an advanced electronic manifest beginning January 1, 2019. CBP will begin a phased approach for non-compliance starting on November 26, 2018.
Filers may contact Amy.e.hatfield@cbp.dhs.gov concerning additional information for the electronic filing of the truck manifest in ACE.
The CSMS may be found here:
Information on submitting a 321 manifest may be found here:
https://www.cbp.gov/document/guidance/review-e-manifest-trucks
