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CBP Announces ACS Validation Rejections


On July 21, 2016 U.S. Customs and Border Protection (CBP) released Cargo Systems Messaging Service (CSMS) #16-000624 announcing that July 23, 2016 CBP will finalize the transition from the legacy Automated Commercial System (ACS) to the Automated Commercial Environment (ACE) for cargo release and entry summary transactions.

According to the notice, that at the specified times listed below, CBP will implement certain ACS transactions to reject. Also note, that quota transactions will not be available in ACE until July 24, 2016 0400ET, once CBP has completed ACE maintenance.

  • 7/23/16 0400ET - Entry Summary (EI) functions will reject and refer users to ACE
  • 7/23/16 0400ET - Quota Query (UI/UR) functions will reject and refer users to ACE
  • 7/23/16 2130ET - Cargo Release (HI/HN) functions will reject and refer users to ACE

The full CSMS can be accessed at:


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