The mechanism: On June 24, 2026, U.S. Customs and Border Protection published a Federal Register rule converting the de minimis suspension — first imposed on China via executive order in 2025, then extended globally — into a standing CBP regulation under its own statutory authority (19 U.S.C. 1321(a)(2)(C)). That matters because executive orders can be reversed with a signature; a codified CBP rule is stickier, harder to unwind, and signals Washington intends the $800 duty-free loophole to stay dead for non-postal shipments regardless of who occupies the White House. Every parcel that once slipped in duty-free now needs formal or informal entry, tariffs, and paperwork — a structural tax on the low-value, high-volume e-commerce parcel trade that built China-to-U.S. direct shipping over the past decade.
Ocean carriers don't feel this uniformly. The freight that suffers is the small-parcel, low-margin, high-container-turn cargo tied to marketplace sellers and cross-border e-commerce platforms. The freight that's insulated is anything already moving as bulk containerized cargo for retailers, government-adjacent lifeline routes, or premium expedited service that customers pay up for regardless of duty treatment.