Indefinite Suspension of the De Minimis Exemption for Mail Shipments and New Postal Informal Entry Process
CBP indefinitely suspends the de minimis exemption for mail shipments and introduces a new Postal Informal Entry process, requiring formal customs entry for most imported postal packages regardless of value.
Aforeworn detected this change in the Small Cross-Border Importers space on July 5, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated High urgency. Small cross-border importers, especially China-sourced sellers, apparel importers, electronics importers, and dropship-to-DTC businesses using postal mail shipments. should confirm how it applies to their specific situation before acting. There is a time constraint attached: Effective immediately upon publication (June 24, 2026). No grace period indicated.. Acting after that point can mean penalties, a lapsed licence, or lost eligibility — exactly the kind of surprise Aforeworn exists to prevent. Aforeworn monitors Small Cross-Border Importers continuously and turns every detected change into a plain-English briefing like this one, so you always know first. Forewarned is forearmed.
What changed
The de minimis exemption (Section 321) for mail shipments is suspended indefinitely. All postal imports must now go through a new Postal Informal Entry process, requiring formal customs documentation and duty payment even for low-value shipments.
Who it affects
Small cross-border importers, especially China-sourced sellers, apparel importers, electronics importers, and dropship-to-DTC businesses using postal mail shipments.
What you must do
Stop relying on de minimis for postal shipments; register for the new Postal Informal Entry process; ensure all shipments have proper customs documentation (e.g., HS codes, country of origin, value) and pay applicable duties.
Deadline
Effective immediately upon publication (June 24, 2026). No grace period indicated.
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