In a notice published on December 12, 2024, U.S. Customs and Border Protection (CBP) announced the upcoming deployment of a warning in the Automated Commercial Environment (ACE) that informs a user when a de minimis shipment may exceed the $800 per person/ per day threshold.
This warning will be based on the estimated arrival date for entry type 86 submissions and de minimis shipments. It will apply to all modes of transportation with the exemption of mail.
This update will be deployed to ACE on January 11, 2025.
CBP’s Trade Information Notice on Section 321 can be found here:
https://www.cbp.gov/sites/default/files/2024-12/Trade_Information%20Notice_CBP-077_121224_508c.pdf