Section 232 pharmaceutical tariffs (phased in from July 31, 2026)
The April 2026 proclamation imposes pharmaceutical tariffs in two phases. Duties have applied since July 31, 2026 to companies listed in Annex III; other companies are scheduled for September 29, 2026. The default rate on patented pharmaceuticals and ingredients is 100%, with 15% treatment for the EU, Japan, South Korea, and Switzerland, zero for the UK, and 20% or 0% for companies with approved U.S. onshoring agreements. Generics remain excluded for now.
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Timeline
- In effectFederal Register
First collection phase takes effect
The tariff regime begins for companies listed in Annex III; remaining covered companies are scheduled to enter on September 29, 2026.
Official sources - In effectFederal Register
UK pharmaceutical rate reduced to zero
Commerce implements the U.S.-UK pharmaceutical pricing arrangement by reducing the Section 232 rate on qualifying UK patented pharmaceuticals and ingredients from 10% to 0%.
Official sources - AnnouncedFederal Register
Onshoring-agreement procedures published
Commerce publishes procedures for company-specific onshoring agreements that qualify for reduced rates.
Official sources - AnnouncedFederal 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 - ThreatenedStatement 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
Official sources
- Proclamation adjusting imports of pharmaceuticals · 91 FR 18183
- Onshoring agreement procedures · 91 FR 26989
- Notice reducing the UK pharmaceutical tariff rate to zero · 91 FR 49406
Status verified 08/04/2026
Related measures
Section 232 steel tariffs (50%)
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:Section 232 aluminum tariffs (50%)
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:Section 232 copper tariffs (50%)
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: