De Minimis (Section 321)

The de minimis threshold under Section 321 of the U.S. Tariff Act of 1930 (19 U.S.C. § 1321) allows individual import shipments valued at $800 or less to enter the United States free of duty and tax. For roughly two decades, this threshold has been the structural foundation of cross-border direct-to-consumer ecommerce: brands could ship individual orders directly from international fulfillment centers (most notably China, Hong Kong, Mexico, and Canada) without paying duties, eliminating the cost-disadvantage that domestic-fulfilled brands faced. The 2025–2026 policy shift fundamentally changes this economics. The de minimis exemption was eliminated for shipments from China and Hong Kong via executive order in early 2025, with phased implementation through the year, and broader repeal proposals (including for Mexico and Canada) are advancing through Congress. The practical impact for a U.S.-bound ecommerce shipment depends on the post-repeal scenario: under full repeal, every individual customer order becomes subject to applicable duty rates (varying by HS code, typically 5–25% for consumer goods plus the additional reciprocal-tariff layers introduced in 2025), and the merchant must collect duty at checkout, file customs entry, and remit to Customs and Border Protection. For a Chinese-sourced apparel brand previously shipping $40 orders direct to U.S. customers duty-free, the post-repeal cost stack adds 15–35% in duty depending on category, plus customs-broker fees, plus the operational complexity of HS classification on every SKU. For Shopify and Shopify Plus merchants, the immediate operational gaps are: HS-code classification on every SKU (often missing for stores that historically benefited from the de minimis exemption); landed-cost calculation at checkout (so customers see the true delivered price); duty collection and remittance infrastructure (typically delivered through partners like Zonos, Avalara, or Easyship); and margin-floor policies that account for the new duty cost stack. Margin governance and the profit firewall are particularly relevant in the de minimis transition because the per-order margin shifts dramatically post-repeal, often pushing previously-profitable categories below floor — and a checkout-enforcement layer is the only way to systematically prevent below-floor orders from confirming during the transition.