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Announced
Federal Register
Section 232 (Trade Expansion Act of 1962)

Section 232 pharmaceutical tariffs (announced — takes effect July 31, 2026)

The April 2026 proclamation imposes a default 100% tariff on patented pharmaceuticals and ingredients, with carve-outs: 15% for the EU, Japan, South Korea, and Switzerland; 10% for the UK; 20% (falling to 0% with an MFN pricing deal) for companies with approved U.S. onshoring plans. Generics are excluded for now. Duties start July 31, 2026 for companies listed in Annex III and September 29, 2026 for everyone else — these are the next major compliance deadlines in pharma supply chains.

Current rate
Not yet collected
Threatened rate
100% default on patented pharmaceuticals; 15% EU/JP/KR/CH; 10% UK; 20% or 0% with approved onshoring plans
Affected countries
All origins
HTS chapters
30
Notes
Generic pharmaceuticals excluded at this time. Onshoring-plan rate rises to 100% on April 2, 2030 absent completion.
Takes effect: Scheduled escalation:

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Timeline

  1. Announced
    Federal Register

    Onshoring-agreement procedures published

    Commerce publishes procedures for company-specific onshoring agreements that qualify for reduced rates.

    Official sources
  2. Announced
    Federal Register

    Section 232 proclamation issued

    Formal proclamation sets the 100% default rate with country and onshoring carve-outs, effective July 31, 2026 (Annex III companies) and September 29, 2026 (all others).

    Official sources
  3. Threatened
    Statement only

    100% pharma tariff statement

    The president states branded pharmaceutical imports will face 100% tariffs unless manufacturers build U.S. plants. No instrument follows for six months.

    Official sources

Related measures

Section 232 steel tariffs (50%)

In effect
CBP guidance

National-security tariffs on steel, in place since 2018 and sharply expanded in 2025–26: the rate doubled to 50% in June 2025, country exemptions ended, the duty base now covers the full customs value of derivative articles, and hundreds of downstream products were added. A 15% transitional rate for certain metal-intensive equipment runs through December 31, 2027. Unaffected by the Supreme Court's IEEPA ruling.

Current rate: 50% on steel articles and most derivatives; 15% transitional rate for certain metal-intensive equipment

Expires by law:
90 FR 24199Last verified 06/12/2026
View full timeline

National-security tariffs on aluminum, expanded in lockstep with steel: 50% since June 2025 for all origins, derivative coverage broadened repeatedly, duties assessed on full customs value since April 2026, and a 15% transitional rate for certain equipment through December 31, 2027. Unaffected by the Supreme Court's IEEPA ruling.

Current rate: 50% on aluminum articles and most derivatives; 15% transitional rate for certain metal-intensive equipment

Expires by law:
90 FR 24199Last verified 06/12/2026
View full timeline

50% tariffs on semi-finished copper and copper-intensive derivative products, effective August 2025 — the first Section 232 action on copper. The regime was folded into the unified metals framework in 2026: expanded coverage in April, further adjustments and a 15% transitional rate for certain categories in June, running through December 31, 2027.

Current rate: 50% on semi-finished copper and most derivatives; some categories at 25% or the 15% transitional rate

Expires by law:
90 FR 37727Last verified 06/12/2026
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