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Last reviewed: September 2026 · Copy link

Tariff exclusions: how they work and when to rely on them

Exclusions carve specific HTS lines out of Section 301 coverage, retroactively refunding duties. USTR ran the original process in 2018–20, granted ~2,200 exclusions, and let almost all expire on schedule; later waves reinstated narrower sets (machinery, solar, medical) and extended them repeatedly. The lesson for sellers: exclusions are a windfall to verify, never a margin assumption — build pricing on the full stack and treat any exclusion as upside.

How the process worked

  • USTR opened docket windows where importers argued a line deserved exclusion (no domestic substitute, disproportionate harm).
  • Grants were per 10-digit HTS line, not per company — anyone importing that line benefited.
  • Most grants ran one year, extendable in waves; by 2024 only narrow sets survived, extended repeatedly.

The 2025–26 wrinkle

The new IEEPA-based layer added a different problem: litigation over whether those tariffs were lawful at all, with courts ruling against parts of them while appeals continued. Practically, duties stayed collected pending outcome and refunds became a contingent event. An importer planning margins on “the courts will fix it” was planning on a lottery ticket.

The durable play: price on the stack as it stands, watch announcements like a broker, and treat every reduction as margin you never promised to a customer.

Questions people ask

Can I apply for an exclusion myself?

The original 301 docket is closed; only USTR-initiated reinstatement windows exist, and they target specific lines. For routine consumer goods the answer is currently no — but watch for new dockets if your category is machinery or medical.

If an exclusion or court ruling lowers my rate, do I get refunds?

Potentially, with interest, via post-summary corrections or protest filings on recent entries. Brokers handle these in batches after major rulings — ask them proactively if a rate you paid gets struck down.

Is “China plus one” sourcing an exclusion substitute?

It can be better than one: moving real production to Vietnam, India, or elsewhere changes origin lawfully (when transformation is genuine) and diversifies you from China-specific actions entirely. Cosmetic transshipment does the opposite — CBP enforces origin fraud aggressively.

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