U.S. tariffs · Section 232
Section 232 tariffs on steel, aluminum and their derivatives
In effect (status checked Oct 16, 2026, the last day we checked the Federal Register for later documents).
Proclamation 11032 (91 FR 34085): “I determine that it is necessary and appropriate to modify, as further described below, the tariff regimes for metal products imposed in Proclamation 9704, as amended, Proclamation 9705, as amended, and Proclamation 10962, as amended.”
Section 232 duties began on March 23, 2018: 25% on steel (Proclamation 9705) and 10% on aluminum (Proclamation 9704), with Canada and Mexico exempted. In March 2025 aluminum rose to 25% and country-specific steel arrangements ended; both rose to 50% on June 4, 2025 (Proclamation 10947). From April 6, 2026, Proclamation 11021 applies the duty to the full customs value: 50% for Annex I-A products, 25% for Annex I-B derivatives, lower rates for some UK products and for derivatives made with U.S. metal, and an all-in 15% for Annex III machinery through 2027. Proclamation 11032 added agricultural equipment and residential HVAC to that group and set temporary rates for mobile industrial equipment. Civil aircraft and parts from the UK, the EU, Japan, South Korea and Taiwan, and Taiwan auto parts, are not subject to the metal duties under partner notices.
| Legal authority | Section 232 of the Trade Expansion Act of 1962 “I concur in the Secretary's finding that steel articles are being imported into the United States in such quantities and under such circumstances as to threaten to impair the national security of the United States” Proclamation 9705 |
|---|---|
| Countries | All countries “I decided to adjust the imports of steel articles and derivative steel articles … imported from all countries. … I decided to adjust the imports of aluminum articles and derivative aluminum articles … imported from all countries.” Proclamation 10947 |
| What it covers | Aluminum and steel articles and derivatives listed in the annexes of Proclamation 11021, as modified by Proclamation 11032. Since April 6, 2026 the duty applies to full customs value; Annex I-B and III goods without metal content are not subject. “the additional ad valorem duty imposed pursuant to section 232 on aluminum articles and aluminum derivative articles … on steel articles and steel derivative articles … shall apply to the full customs value of the imported product” Proclamation 11021 |
| Took effect | Mar 23, 2018, 12:01 a.m. eastern daylight time “The modifications to the HTSUS made by the Annex to this proclamation shall be effective with respect to goods entered, or withdrawn from warehouse for consumption, on or after 12:01 a.m. eastern daylight time on March 23, 2018” Proclamation 9705 |
Rates
One row per rate the documents set. Rates in separate rows are not added together here; each document sets how its duty applies alongside others.
| Rate | What | From | In the document's words |
|---|---|---|---|
| 50% ad valorem, on the full customs value | Aluminum and steel articles and certain derivatives (Annex I-A) All aluminum and steel articles and the derivative articles listed in Annex I-A of Proclamation 11021, unless a lower rate below applies | Apr 6, 2026 | “for all aluminum and steel articles, most copper articles, and certain derivative articles of aluminum and steel, as listed in Annex I-A to this proclamation, shall be: (a) 50 percent” Proclamation 11021 ↗ |
| 25% ad valorem, on the full customs value | Other listed aluminum and steel derivatives (Annex I-B) Aluminum and steel derivative articles listed in Annex I-B of Proclamation 11021, unless a lower rate below applies | Apr 6, 2026 | “for the copper articles and for the aluminum and steel derivative articles listed in Annex I-B to this proclamation, the applicable additional ad valorem rate of duty imposed pursuant to section 232 … shall be: (a) 25 percent” Proclamation 11021 ↗ |
| 25% ad valorem, on the full customs value | United Kingdom: Annex I-A products Annex I-A products of the United Kingdom whose aluminum was smelted or most recently cast in the UK, or whose steel was melted and poured in the UK | Apr 6, 2026 | “25 percent for United Kingdom products, the aluminum content of which is composed entirely of aluminum that was smelted or most recently cast in the United Kingdom or the steel content … melted and poured in the United Kingdom” Proclamation 11021 ↗ |
| 15% ad valorem, on the full customs value | United Kingdom: Annex I-B derivatives Annex I-B aluminum or steel products of the United Kingdom whose aluminum was smelted or most recently cast in the UK, or whose steel was melted and poured in the UK | Apr 6, 2026 | “15 percent for aluminum or steel products of the United Kingdom, the aluminum content of which is composed entirely of aluminum … or the steel content … melted and poured in the United Kingdom” Proclamation 11021 ↗ |
| 10% ad valorem, on the full customs value | Annex I-A derivatives made with U.S. metal Annex I-A derivative articles whose aluminum was smelted and cast, or whose steel was melted and poured, in the United States (85% by weight threshold since Proclamation 11032) | Apr 6, 2026 | “10 percent for derivative articles, the aluminum content of which is composed entirely of aluminum that was smelted and cast in the United States, the steel content … melted and poured in the United States” Proclamation 11021 ↗ |
| 10% ad valorem, on the full customs value | Annex I-B derivatives made with U.S. metal Annex I-B articles whose aluminum was smelted and cast, or whose steel was melted and poured, in the United States (85% by weight threshold since Proclamation 11032) | Apr 6, 2026 | “10 percent for articles the aluminum content of which is composed entirely of aluminum that was smelted and cast in the United States, the steel content … melted and poured in the United States” Proclamation 11021 ↗ |
| 15% all-in (Column 1 rate + Section 232 duty); 0% Section 232 duty if Column 1 rate is 15% or more all-in rate stated in Proclamation 11021, applying when the Column 1 rate is below 15%; not computed by us; through 11:59 p.m. eastern standard time on December 31, 2027 | Annex III: all-in 15% (stated in the proclamation) Annex III products; if the normal (Column 1) rate is below 15%, the Section 232 duty brings the sum to 15%; if it is at least 15%, the Section 232 duty is zero | Apr 6, 2026 | “until 11:59 p.m. eastern standard time on December 31, 2027, … less than 15 percent, the sum … shall be 15 percent. For a product with a Column 1 Duty Rate that is at least 15 percent, … zero percent” Proclamation 11021 ↗ |
| 10% all-in (Column 1 rate + Section 232 duty) all-in rate stated in Proclamation 11021 clause (5)(b), determined the same way as the 15% rule | Annex III: U.S.-metal derivatives, all-in 10% (stated) Annex III derivative articles whose aluminum was smelted and cast, or whose steel was melted and poured, in the United States | Apr 6, 2026 | “10 percent, determined based on the product's current ad valorem (or ad valorem equivalent) Column 1 Duty Rate in the same manner outlined in clause (5)(a) of this proclamation, for derivative articles … melted and poured in the United States” Proclamation 11021 ↗ |
| 25% ad valorem | Annex III: partners without normal trade relations Annex III products imported from trading partners with which the United States does not maintain normal trade relations | Apr 6, 2026 | “25 percent for products imported from trading partners with whom the United States does not maintain normal trading relations” Proclamation 11021 ↗ |
| 25% ad valorem; through 11:59 p.m. eastern standard time on December 31, 2027 | Mobile industrial equipment and machinery (Annex I-C) Aluminum and steel articles listed in Annex I-C of Proclamation 11032, unless a lower rate below applies; from January 1, 2028 the Proclamation 11021 clause (3) rates apply | Jun 8, 2026 | “until 11:59 p.m. eastern standard time on December 31, 2027, the applicable additional ad valorem rate of duty … for all aluminum and steel articles listed in Annex I-C to this proclamation shall be: (a) 25 percent” Proclamation 11032 ↗ |
| 15% all-in (Column 1 rate + Section 232 duty); 0% Section 232 duty if Column 1 rate is 15% or more all-in rate stated in Proclamation 11032 clause (2)(b), applying when the Column 1 rate is below 15%; not computed by us; through December 31, 2027 | Annex I-C: listed partners, all-in 15% (stated) Annex I-C products of Argentina, Ecuador, El Salvador, Guatemala, Japan, South Korea, Liechtenstein, Switzerland, Taiwan, the United Kingdom or an EU member state | Jun 8, 2026 | “For products of these jurisdictions with a Column 1 Duty Rate that is less than 15 percent, the sum … shall be 15 percent” Proclamation 11032 ↗ |
| 10% all-in (Column 1 rate + Section 232 duty) all-in rate stated in Proclamation 11032 clause (2)(c), determined the same way as the partner rule | Annex I-C: U.S.-metal derivatives, all-in 10% (stated) Annex I-C derivative articles whose aluminum was smelted and cast, or whose steel was melted and poured, in the United States | Jun 8, 2026 | “10 percent, determined based on the product's current ad valorem (or ad valorem equivalent) Column 1 Duty Rate in the same manner outlined in clause (2)(b) of this proclamation, for derivative articles … melted and poured in the United States” Proclamation 11032 ↗ |
| 25% on non-U.S. content ad valorem, applied only to the non-U.S. content | Annex I-C: USMCA-qualifying products of Canada and Mexico Annex I-C products of Canada and Mexico that qualify for USMCA preference; U.S. content is defined in BIS guidance effective October 14, 2026 | Jun 8, 2026 | “For products of Canada and Mexico that qualify for preferential tariff treatment under the United States-Mexico-Canada Agreement, a duty of 25 percent shall apply only to the non-U.S. content of the product.” Proclamation 11032 ↗ |
| At least 15% total effective duty minimum total effective duty, ad valorem | Annex I-C: minimum for USMCA-qualifying products The same Canada and Mexico products: the total effective duty under this rule may not be below 15% | Jun 8, 2026 | “Notwithstanding the foregoing, the total effective duty on the imported product assessed under this subclause shall not be less than 15 percent ad valorem” Proclamation 11032 ↗ |
| 200% ad valorem; rate set in Proclamation 10522 of February 24, 2023 and kept by Proclamation 11021 | Aluminum from Russia or with Russian-smelted primary aluminum Aluminum articles and derivatives in Annexes I-A, I-B or III that are products of Russia, contain primary aluminum smelted in Russia, or are cast in Russia (set in 2023, kept by Proclamation 11021) | Apr 6, 2026 | “that are the product of Russia or where any amount of primary aluminum … is smelted in Russia … shall continue to be subject to the 200 percent … established in Proclamation 10522 of February 24, 2023” Proclamation 11021 ↗ |
Exceptions and stacking rules
| Rule | What | From | In the document's words |
|---|---|---|---|
| UK steel rate applies (until January 1, 2028) clarification by BIS technical-corrections notice | United Kingdom: Tata Steel UK steel melted and poured in the Netherlands U.K.-origin steel articles made by Tata Steel UK whose reported country of melt and pour is the Netherlands may use the lower UK steel rate until January 1, 2028 | Apr 6, 2026 | “U.K.-origin steel articles made by Tata Steel UK for which the reported country of melt and pour is the Netherlands can continue to be imported under the lower section 232 steel tariff rate … until January 1, 2028” Commerce (BIS) notice of Apr 29, 2026 ↗ |
| Temporarily reduced all-in rate (see next rows) Proclamation 11021 clause (5): when the Column 1 rate is below 15%, the Column 1 rate and the Section 232 duty together equal 15%; when it is 15% or more, no Section 232 duty; through December 31, 2027 | Annex III products: fixed industrial machinery and power equipment Products listed in Annex III of Proclamation 11021; agricultural equipment and certain residential HVAC were added from June 8, 2026 | Apr 6, 2026 | “a temporarily-reduced ad valorem duty of 15 percent on a subset of derivative products, namely fixed industrial machinery and power equipment” Proclamation 11032 ↗ |
| Prior agreements not altered Proclamation 11021 does not alter or supersede earlier agreements reducing Section 232 metal tariffs on civil aircraft | Prior civil aircraft agreements kept (Proclamation 11021 clause 10) Civil aircraft and civil aircraft parts covered by the WTO Agreement on Trade in Civil Aircraft under earlier agreements with the UK, EU, Japan, South Korea and other partners | Apr 6, 2026 | “does not alter or supersede actions implementing any prior agreements with the United Kingdom, the European Union, Japan, the Republic of Korea, … that fall under the World Trade Organization Agreement on Trade in Civil Aircraft” Proclamation 11021 ↗ |
| Not applied duties under the headings the notice lists (pre-Proclamation 11021 numbers) do not apply | United Kingdom: civil aircraft and parts UK civil aircraft, engines, parts, components and ground flight simulators meeting General Note 6 and the listed HTSUS provisions; headings 9903.01.25, 9903.81.94, 9903.81.96-.98, 9903.85.12-.15 | Jun 30, 2025 | “the additional duties imposed by heading 9903.01.25, 9903.81.94, 9903.81.96, 9903.81.97, 9903.81.98, 9903.85.12, 9903.85.13, 9903.85.14, 9903.85.15 shall not apply to articles of civil aircraft (all aircraft other than military aircraft); their engines, parts, and components … of the United Kingdom” Federal Register notice of Jun 30, 2025 ↗ |
| Not applied duties under the headings the notice lists (pre-Proclamation 11021 numbers) do not apply | European Union: civil aircraft and parts EU civil aircraft, engines, parts, components and ground flight simulators meeting General Note 6 and the listed HTSUS provisions | Sep 1, 2025 | “the additional duties imposed by headings 9903.02.19, 9903.02.20, 9903.78.01, 9903.81.87, 9903.81.88, 9903.81.89, 9903.81.90, 9903.81.91, 9903.81.93, 9903.85.02, 9903.85.04, 9903.85.07, and 9903.85.08, shall not apply to articles the product of the European Union that are civil aircraft” Federal Register notice of Sep 25, 2025 ↗ |
| Not applied duties under the headings the notice lists (pre-Proclamation 11021 numbers) do not apply | Japan: civil aircraft and parts Japanese civil aircraft, engines, parts, components and ground flight simulators meeting General Note 6 and the listed HTSUS provisions | Sep 16, 2025 | “the additional duties imposed by heading 9903.02.72, 9903.02.73 9903.78.01, 9903.81.87, 9903.81.88, 9903.81.89, 9903.81.90, 9903.81.91, 9903.81.93, 9903.85.02, 9903.85.04, 9903.85.07, and 9903.85.08, shall not apply to articles of civil aircraft … of Japan” Federal Register notice of Sep 16, 2025 ↗ |
| Not applied duties under the headings the notice lists (pre-Proclamation 11021 numbers) do not apply | South Korea: civil aircraft and parts South Korean civil aircraft, engines, parts, components and ground flight simulators meeting General Note 6 and the listed HTSUS provisions | Nov 14, 2025 | “the additional duties imposed by headings 9903.02.79, 9903.02.80, 9903.78.01, 9903.81.87, 9903.81.88, 9903.81.89, 9903.81.90, 9903.81.91, 9903.81.93, 9903.85.02, 9903.85.04, 9903.85.07, and 9903.85.08, shall not apply to articles the product of South Korea that are civil aircraft” Federal Register notice of Dec 4, 2025 ↗ |
| Not applied metal duties under headings 9903.82.02 and 9903.82.04-9903.82.19 do not apply | Taiwan: civil aircraft components Civil aircraft components that are products of Taiwan and meet the listed HTSUS provisions and General Note 6 criteria | May 1, 2026 | “the additional duties imposed by headings 9903.82.02 and 9903.82.04-9903.82.19 shall not apply to articles the product of Taiwan that are civil aircraft (all aircraft other than military aircraft and unmanned aircraft) components” Federal Register notice of May 28, 2026 ↗ |
| Not applied metal duties under headings 9903.82.02 and 9903.82.04-9903.82.19 do not apply to these entries | Taiwan: passenger vehicle and light truck parts Parts of passenger vehicles and light trucks that are products of Taiwan, entered under the Taiwan auto-parts provisions of U.S. note 33(u) | May 1, 2026 | “Entries of automotive parts … shall not be subject to the additional duties imposed on: (1) articles of aluminum, of steel, or of copper or derivative aluminum, steel, or copper articles provided for in headings 9903.82.02 and 9903.82.04-9903.82.19” Federal Register notice of May 28, 2026 ↗ |
| Not added on top non-stacking rule in Executive Order 14289 section 3(a)(i) | Autos and auto parts under Proclamation 10908 Articles subject to the auto tariffs of Proclamation 10908 (section 2(a) of the order) do not also pay the aluminum (Proclamation 9704, section 2(d)) or steel (Proclamation 9705, section 2(e)) duties | Mar 4, 2025 | “An article subject to tariffs pursuant to the action listed in section (2)(a) of this order shall not be subject to additional tariffs on that article pursuant to the actions listed in sections 2(b) through 2(e) of this order.” Executive Order 14289 ↗ |
| Charged once stacking rule (Proclamation 11021 clause (9)) | Goods listed under more than one metal Annex I-A, I-B and III goods listed as articles or derivatives of more than one metal pay the applicable rate once, even if they contain two or three of the metals | Apr 6, 2026 | “Goods specified in Annex I-A, Annex I-B, and Annex III to this proclamation that are listed as articles or derivatives of more than one metal shall only be subject once to the respective duty rates” Proclamation 11021 ↗ |
| Not applied exception (Proclamation 11021 clause (9)) | Annex I-B and Annex III goods without metal content Annex I-B or Annex III goods with no aluminum, steel or copper content, as set out in Annex IV; goods outside HTSUS chapters 72, 73, 74 and 76 without sufficient metal content are also not subject | Apr 6, 2026 | “Goods specified in Annex I-B or Annex III to this proclamation that do not contain any aluminum, steel, or copper content, as set forth in Annex IV to this proclamation, shall not be subject to the duties” Proclamation 11021 ↗ |
| Same stacking rules as autos stacking rule | Trucks, truck parts and buses under Proclamation 10984 Medium- and heavy-duty vehicles, their parts and buses follow the Proclamation 10908 stacking rules, so the auto stacking row above applies to them too | Nov 1, 2025 | “The application of multiple tariffs (stacking) for imports of MHDVs, MHDVPs, and buses subject to this proclamation shall follow the same rules for stacking for imports subject to Proclamation 10908, as amended.” Proclamation 10984 ↗ |
| Semiconductor duty only stacking rule | Semiconductor Covered Products under Proclamation 11002 Covered Products subject to both Proclamation 11002 and this action pay the semiconductor duties and not the aluminum or steel duties | Jan 15, 2026 | “If any Covered Product is subject to tariffs under both this proclamation and other section 232 proclamations, the Covered Product shall be subject to … duties imposed under this proclamation and not those imposed pursuant to any other section 232” Proclamation 11002 ↗ |
History
- Mar 23, 2018 Proclamation 9704 imposed a 10% aluminum duty from March 23, 2018, on all countries except Canada and Mexico. “I have decided to adjust the imports of aluminum articles by imposing a 10 percent ad valorem tariff on aluminum articles, as defined below, imported from all countries except Canada and Mexico.” Proclamation 9704 ↗
- Mar 23, 2018 Proclamation 9705 imposed a 25% steel duty from March 23, 2018, on all countries except Canada and Mexico. “I have decided to adjust the imports of steel articles by imposing a 25 percent ad valorem tariff on steel articles, as defined below, imported from all countries except Canada and Mexico.” Proclamation 9705 ↗
- Mar 12, 2025 Proclamation 10895 raised the Section 232 aluminum duty from 10% to 25% as of March 12, 2025. “As of 12:01 a.m. on March 12, 2025, the tariff proclaimed by Proclamation 9704, as amended, … are adjusted to increase the respective tariff rates from an additional 10 percent ad valorem to an additional 25 percent ad valorem” Proclamation 10895 ↗
- Mar 12, 2025 Proclamation 10896 ended earlier country-specific steel arrangements, including the one for South Korea, as of March 12, 2025. “The provisions of Proclamation 9740 with respect to imports of steel articles from South Korea; … shall be ineffective as of 12:01 a.m. eastern time on March 12, 2025.” Proclamation 10896 ↗
- Jun 4, 2025 Proclamation 10947 raised the steel and aluminum duties from 25% to 50% on June 4, 2025. “on June 4, 2025, the tariffs proclaimed by … Proclamation 10895; and Proclamation 10896 are modified to increase the respective tariff rates from an additional 25 percent ad valorem to an additional 50 percent ad valorem” Proclamation 10947 ↗
- Jun 4, 2025 United Kingdom articles stayed at 25% under Proclamation 10947. “the applicable rates of duty for articles of the United Kingdom that would otherwise be applicable pursuant to Proclamation 9704, as amended; … shall remain at 25 percent ad valorem” Proclamation 10947 ↗
- Aug 18, 2025 BIS added 407 HTSUS codes to the list of steel and aluminum derivative products, effective August 18, 2025. “BIS is adding 407 Harmonized Tariff Schedule of the United States (HTSUS) codes to the list of products that will be considered as steel or aluminum derivative products.” Commerce (BIS) notice of Aug 19, 2025 ↗
- Apr 6, 2026 Proclamation 11021 moved to duties on the full customs value, with a 50% rate for aluminum and steel articles and certain derivatives. “The full-value ad valorem tariffs on aluminum and steel articles, certain copper articles, and certain aluminum and steel derivative articles shall be set at an ad valorem rate of duty of 50 percent” Proclamation 11021 ↗
- Apr 6, 2026 Products listed in Annex II of Proclamation 11021 stopped being subject to the aluminum and steel duties. “products listed in Annex II to this proclamation shall no longer be subject to the additional ad valorem duty imposed under Proclamation 9704, as amended, or Proclamation 9705, as amended” Proclamation 11021 ↗
- Apr 6, 2026 Proclamation 11021 ended the derivative inclusion processes; Commerce and the Trade Representative may add derivative articles jointly. “The inclusion processes established pursuant to clause (7) of Proclamation 10895, clause (6) of Proclamation 10896, and clause (3) of Proclamation 10962 are hereby terminated.” Proclamation 11021 ↗
- Apr 6, 2026 BIS clarified that Tata Steel UK steel melted and poured in the Netherlands keeps the lower UK steel rate until January 1, 2028. “This notice clarifies that U.K.-origin steel articles made by Tata Steel UK for which the reported country of melt and pour is the Netherlands can continue to be imported under the lower section 232 steel tariff rate” Commerce (BIS) notice of Apr 29, 2026 ↗
- May 1, 2026 From May 1, 2026, the metal duty headings stopped applying to listed civil aircraft components that are products of Taiwan. “the additional duties imposed by headings 9903.82.02 and 9903.82.04-9903.82.19 shall not apply to articles the product of Taiwan that are civil aircraft (all aircraft other than military aircraft and unmanned aircraft) components” Federal Register notice of May 28, 2026 ↗
- May 1, 2026 From May 1, 2026, Taiwan passenger vehicle and light truck parts entered under U.S. note 33(u) stopped being subject to the metal duty headings. “Entries of automotive parts … shall not be subject to the additional duties imposed on: (1) articles of aluminum, of steel, or of copper or derivative aluminum, steel, or copper articles provided for in headings 9903.82.02 and 9903.82.04-9903.82.19” Federal Register notice of May 28, 2026 ↗
- Jun 8, 2026 Proclamation 11032 lowered the threshold for counting metal content as entirely U.S.-made from 95% to 85% by weight, through Annex IV, whose changes apply from June 8, 2026. “The current threshold of 95 percent shall be modified to 85 percent. … as set forth in Annex IV to this proclamation, a product's metal content shall be deemed composed entirely of” Proclamation 11032 ↗
- Jun 8, 2026 Proclamation 11032 modified the product lists in the annexes of Proclamation 11021, effective June 8, 2026. “on or after 12:01 a.m. eastern daylight time on June 8, 2026, … the lists of products provided in Annex I-A, Annex I-B, Annex II, and Annex III of Proclamation 11021 are modified” Proclamation 11032 ↗
- Jun 8, 2026 Agricultural equipment and certain residential HVAC systems and components were moved into the temporarily reduced 15% category. “I determine that agricultural equipment and certain HVAC systems and components that are predominantly for residential use shall be included in the category of derivative products subject to the temporarily-reduced 15 percent ad valorem duty under Proclamation 11021.” Proclamation 11032 ↗
- Jun 8, 2026 Aluminum lithographic plates and steel racks were made subject to the derivative tariff. “I determine that aluminum lithographic plates and steel racks constitute aluminum and steel derivative products that should be subject to the applicable derivative tariff under Proclamation 11021.” Proclamation 11032 ↗
- Jun 8, 2026 Proclamation 11032 set temporary rates for mobile industrial equipment and machinery through December 31, 2027. “I determine that it is necessary and appropriate to temporarily modify the tariffs imposed on mobile industrial equipment and machinery, as detailed below.” Proclamation 11032 ↗
- Jun 8, 2026 For the mobile equipment list, products of the listed partners, including EU member states, Japan, South Korea, Switzerland, Taiwan and the UK, pay a rate tied to their Column 1 rate. “For products of Argentina, Ecuador, El Salvador, Guatemala, Japan, the Republic of Korea, Liechtenstein, Switzerland, Taiwan, the United Kingdom, or a member nation of the European Union, the rate of duty shall be determined by the product's current ad valorem” Proclamation 11032 ↗
- Jul 20, 2026 Proclamation 11045 authorized a program letting companies with approved primary aluminum onshoring plans import set quantities at half the Section 232 rate. “the Secretary shall allow the company to annually import primary aluminum of a quantity that corresponds to the U.S. production facility's reasonably anticipated annual output … at half the section 232 rate of duty otherwise in effect” Proclamation 11045 ↗
- Aug 6, 2026 BIS requested public comments, due August 27, 2026, on a proposal to add 14 derivative articles; the proposal does not itself change rates. “This notice requests public comments on a proposal to include 14 additional derivative articles within the scope of the Section 232 duties on steel, aluminum, and copper” Commerce (BIS) notice of Aug 6, 2026 ↗
- Oct 14, 2026 BIS issued guidance defining U.S. content for USMCA-qualifying products of Canada and Mexico under Proclamation 11032. “This notice provides guidance to U.S. Customs and Border Protection regarding the assessment of … for products of Canada and Mexico that qualify for preferential tariff treatment under the United States-Mexico-Canada Agreement” Commerce (BIS) notice of Oct 14, 2026 ↗
Source documents
- Proclamation Proclamation 9704: Adjusting Imports of Aluminum Into the United States ↗ Imposes the original 10% aluminum duty from March 23, 2018
- Proclamation Proclamation 9705: Adjusting Imports of Steel Into the United States ↗ Imposes the original 25% steel duty from March 23, 2018
- Proclamation Proclamation 10895: Adjusting Imports of Aluminum Into the United States ↗ Raises the aluminum duty from 10% to 25% from March 12, 2025, from all countries except Russia
- Proclamation Proclamation 10896: Adjusting Imports of Steel Into the United States ↗ Ends country-specific steel arrangements; 25% steel duty for all countries from March 12, 2025
- Executive order Executive Order 14289: Addressing Certain Tariffs on Imported Articles ↗ Non-stacking rule: articles under the Proclamation 10908 auto tariffs do not also pay the steel and aluminum duties
- Proclamation Proclamation 10947: Adjusting Imports of Aluminum and Steel Into the United States ↗ Raises the steel and aluminum duties from 25% to 50% from June 4, 2025; UK stays at 25%
- Document Imports of Automobiles, Automobile Parts, Civil Aircraft and Civil Aircraft Parts From the United Kingdom Under Executive Order 14309 ↗ Commerce (ITA) notice: from June 30, 2025, listed steel and aluminum duty headings do not apply to UK civil aircraft and parts
- Commerce (BIS) notice Adoption and Procedures of the Section 232 Steel and Aluminum Tariff Inclusions Process ↗ Adds 407 HTSUS codes as steel or aluminum derivatives from August 18, 2025
- Document Implementing Certain Tariff-Related Elements of the United States-Japan Agreement ↗ Commerce (ITA) notice: from September 16, 2025, listed metal duty headings do not apply to Japanese civil aircraft and parts
- Document Implementing Certain Tariff-Related Elements of the U.S.-EU Framework on an Agreement on Reciprocal, Fair, and Balanced Trade ↗ Commerce (ITA) and USTR notice: from September 1, 2025, listed metal duty headings do not apply to EU civil aircraft and parts
- Proclamation Proclamation 10984: Adjusting Imports of Medium- and Heavy-Duty Vehicles, Medium- and Heavy-Duty Vehicle Parts, and Buses Into the United States ↗ Its stacking clause applies the Proclamation 10908 (autos) stacking rules to trucks, truck parts and buses
- Document Implementing Certain Tariff-Related Elements of the U.S.-Korea Strategic Trade and Investment Deal ↗ Commerce (ITA) and USTR notice: from November 14, 2025, listed metal duty headings do not apply to South Korean civil aircraft and parts
- Proclamation Proclamation 11002: Adjusting Imports of Semiconductors, Semiconductor Manufacturing Equipment, and Their Derivative Products Into the United States ↗ Its clause (5) applies only the semiconductor duties to Covered Products also under other Section 232 proclamations
- Proclamation Proclamation 11021: Strengthening Actions Taken To Adjust Imports of Aluminum, Steel, and Copper Into the United States ↗ Sets the current rate structure from April 6, 2026 on the full customs value: 50% (Annex I-A), 25% (Annex I-B), an all-in 15% (Column 1 rate plus Section 232 duty) for Annex III, and reduced UK and U.S.-metal rates
- Commerce (BIS) notice Notice of Technical Corrections to the Harmonized Tariff Schedule of the United States for Duties Imposed by Presidential Proclamation 11021 ↗ Technical corrections to Proclamation 11021 (effective April 6, 2026); keeps the UK steel rate for Tata Steel UK steel melted and poured in the Netherlands until January 1, 2028
- Document Implementing Certain Tariff-Related Elements of a Trade and Security Agreement Between the American Institute in Taiwan and the Taipei Economic and Cultural Representative Office in the United States ↗ Commerce (ITA) and USTR notice: from May 1, 2026, metal duties do not apply to Taiwan civil aircraft components or to Taiwan passenger vehicle and light truck parts
- Proclamation Proclamation 11032: Further Adjusting the Tariff Regimes for Imports of Aluminum, Steel, and Copper Into the United States ↗ Modifies product lists, adds agricultural equipment and residential HVAC to the 15% category, sets temporary rates for mobile industrial equipment, lowers the U.S.-metal threshold to 85%
- Proclamation Proclamation 11045: Further Strengthening Actions Taken To Adjust Imports of Aluminum Into the United States ↗ Authorizes a primary aluminum investment program with imports at half the Section 232 rate for approved onshoring plans
- Commerce (BIS) notice Request for Public Comments on the Proposed Implementation of Duties on Additional Aluminum, Steel, and Copper Derivative Articles Under Section 232 ↗ Proposal (request for comments) to add 14 derivative articles; not in effect
- Commerce (BIS) notice Guidance to U.S. Customs and Border Protection Regarding the Assessment of “U.S. Content” for Purposes of Implementing Tariffs Pursuant to Clause (2)(D) of Proclamation 11032 of June 1, 2026 ↗ Defines U.S. content for the Canada and Mexico rule in Proclamation 11032 clause (2)(d), effective October 14, 2026
In the documents' own words
Every quote on this page, checked word for word against the Federal Register text of the document named.
- Authority
“I concur in the Secretary's finding that steel articles are being imported into the United States in such quantities and under such circumstances as to threaten to impair the national security of the United States”
Proclamation 9705 (83 FR 11625) ↗ - Status
“I determine that it is necessary and appropriate to modify, as further described below, the tariff regimes for metal products imposed in Proclamation 9704, as amended, Proclamation 9705, as amended, and Proclamation 10962, as amended.”
Proclamation 11032 (91 FR 34085) ↗ - What it covers
“the additional ad valorem duty imposed pursuant to section 232 on aluminum articles and aluminum derivative articles … on steel articles and steel derivative articles … shall apply to the full customs value of the imported product”
Proclamation 11021 (91 FR 18201) ↗ - Countries
“I decided to adjust the imports of steel articles and derivative steel articles … imported from all countries. … I decided to adjust the imports of aluminum articles and derivative aluminum articles … imported from all countries.”
Proclamation 10947 (90 FR 24199) ↗ - Rate: Aluminum and steel articles and certain derivatives (Annex I-A)
“for all aluminum and steel articles, most copper articles, and certain derivative articles of aluminum and steel, as listed in Annex I-A to this proclamation, shall be: (a) 50 percent”
Proclamation 11021 (91 FR 18201) ↗ - Rate: Other listed aluminum and steel derivatives (Annex I-B)
“for the copper articles and for the aluminum and steel derivative articles listed in Annex I-B to this proclamation, the applicable additional ad valorem rate of duty imposed pursuant to section 232 … shall be: (a) 25 percent”
Proclamation 11021 (91 FR 18201) ↗ - Rate: United Kingdom: Annex I-A products
“25 percent for United Kingdom products, the aluminum content of which is composed entirely of aluminum that was smelted or most recently cast in the United Kingdom or the steel content … melted and poured in the United Kingdom”
Proclamation 11021 (91 FR 18201) ↗ - Rate: United Kingdom: Annex I-B derivatives
“15 percent for aluminum or steel products of the United Kingdom, the aluminum content of which is composed entirely of aluminum … or the steel content … melted and poured in the United Kingdom”
Proclamation 11021 (91 FR 18201) ↗ - Rule: United Kingdom: Tata Steel UK steel melted and poured in the Netherlands
“U.K.-origin steel articles made by Tata Steel UK for which the reported country of melt and pour is the Netherlands can continue to be imported under the lower section 232 steel tariff rate … until January 1, 2028”
Commerce (BIS) notice of Apr 29, 2026 (91 FR 23056) ↗ - Rate: Annex I-A derivatives made with U.S. metal
“10 percent for derivative articles, the aluminum content of which is composed entirely of aluminum that was smelted and cast in the United States, the steel content … melted and poured in the United States”
Proclamation 11021 (91 FR 18201) ↗ - Rate: Annex I-B derivatives made with U.S. metal
“10 percent for articles the aluminum content of which is composed entirely of aluminum that was smelted and cast in the United States, the steel content … melted and poured in the United States”
Proclamation 11021 (91 FR 18201) ↗ - Rule: Annex III products: fixed industrial machinery and power equipment
“a temporarily-reduced ad valorem duty of 15 percent on a subset of derivative products, namely fixed industrial machinery and power equipment”
Proclamation 11032 (91 FR 34085) ↗ - Rate: Annex III: all-in 15% (stated in the proclamation)
“until 11:59 p.m. eastern standard time on December 31, 2027, … less than 15 percent, the sum … shall be 15 percent. For a product with a Column 1 Duty Rate that is at least 15 percent, … zero percent”
Proclamation 11021 (91 FR 18201) ↗ - Rate: Annex III: U.S.-metal derivatives, all-in 10% (stated)
“10 percent, determined based on the product's current ad valorem (or ad valorem equivalent) Column 1 Duty Rate in the same manner outlined in clause (5)(a) of this proclamation, for derivative articles … melted and poured in the United States”
Proclamation 11021 (91 FR 18201) ↗ - Rate: Annex III: partners without normal trade relations
“25 percent for products imported from trading partners with whom the United States does not maintain normal trading relations”
Proclamation 11021 (91 FR 18201) ↗ - Rate: Mobile industrial equipment and machinery (Annex I-C)
“until 11:59 p.m. eastern standard time on December 31, 2027, the applicable additional ad valorem rate of duty … for all aluminum and steel articles listed in Annex I-C to this proclamation shall be: (a) 25 percent”
Proclamation 11032 (91 FR 34085) ↗ - Rate: Annex I-C: listed partners, all-in 15% (stated)
“For products of these jurisdictions with a Column 1 Duty Rate that is less than 15 percent, the sum … shall be 15 percent”
Proclamation 11032 (91 FR 34085) ↗ - Rate: Annex I-C: U.S.-metal derivatives, all-in 10% (stated)
“10 percent, determined based on the product's current ad valorem (or ad valorem equivalent) Column 1 Duty Rate in the same manner outlined in clause (2)(b) of this proclamation, for derivative articles … melted and poured in the United States”
Proclamation 11032 (91 FR 34085) ↗ - Rate: Annex I-C: USMCA-qualifying products of Canada and Mexico
“For products of Canada and Mexico that qualify for preferential tariff treatment under the United States-Mexico-Canada Agreement, a duty of 25 percent shall apply only to the non-U.S. content of the product.”
Proclamation 11032 (91 FR 34085) ↗ - Rate: Annex I-C: minimum for USMCA-qualifying products
“Notwithstanding the foregoing, the total effective duty on the imported product assessed under this subclause shall not be less than 15 percent ad valorem”
Proclamation 11032 (91 FR 34085) ↗ - Rule: Prior civil aircraft agreements kept (Proclamation 11021 clause 10)
“does not alter or supersede actions implementing any prior agreements with the United Kingdom, the European Union, Japan, the Republic of Korea, … that fall under the World Trade Organization Agreement on Trade in Civil Aircraft”
Proclamation 11021 (91 FR 18201) ↗ - Rule: United Kingdom: civil aircraft and parts
“the additional duties imposed by heading 9903.01.25, 9903.81.94, 9903.81.96, 9903.81.97, 9903.81.98, 9903.85.12, 9903.85.13, 9903.85.14, 9903.85.15 shall not apply to articles of civil aircraft (all aircraft other than military aircraft); their engines, parts, and components … of the United Kingdom”
Federal Register notice of Jun 30, 2025 (90 FR 27851) ↗ - Rule: European Union: civil aircraft and parts
“the additional duties imposed by headings 9903.02.19, 9903.02.20, 9903.78.01, 9903.81.87, 9903.81.88, 9903.81.89, 9903.81.90, 9903.81.91, 9903.81.93, 9903.85.02, 9903.85.04, 9903.85.07, and 9903.85.08, shall not apply to articles the product of the European Union that are civil aircraft”
Federal Register notice of Sep 25, 2025 (90 FR 46136) ↗ - Rule: Japan: civil aircraft and parts
“the additional duties imposed by heading 9903.02.72, 9903.02.73 9903.78.01, 9903.81.87, 9903.81.88, 9903.81.89, 9903.81.90, 9903.81.91, 9903.81.93, 9903.85.02, 9903.85.04, 9903.85.07, and 9903.85.08, shall not apply to articles of civil aircraft … of Japan”
Federal Register notice of Sep 16, 2025 (90 FR 44638) ↗ - Rule: South Korea: civil aircraft and parts
“the additional duties imposed by headings 9903.02.79, 9903.02.80, 9903.78.01, 9903.81.87, 9903.81.88, 9903.81.89, 9903.81.90, 9903.81.91, 9903.81.93, 9903.85.02, 9903.85.04, 9903.85.07, and 9903.85.08, shall not apply to articles the product of South Korea that are civil aircraft”
Federal Register notice of Dec 4, 2025 (90 FR 55964) ↗ - Rule: Taiwan: civil aircraft components
“the additional duties imposed by headings 9903.82.02 and 9903.82.04-9903.82.19 shall not apply to articles the product of Taiwan that are civil aircraft (all aircraft other than military aircraft and unmanned aircraft) components”
Federal Register notice of May 28, 2026 (91 FR 31818) ↗ - Rule: Taiwan: passenger vehicle and light truck parts
“Entries of automotive parts … shall not be subject to the additional duties imposed on: (1) articles of aluminum, of steel, or of copper or derivative aluminum, steel, or copper articles provided for in headings 9903.82.02 and 9903.82.04-9903.82.19”
Federal Register notice of May 28, 2026 (91 FR 31818) ↗ - Rate: Aluminum from Russia or with Russian-smelted primary aluminum
“that are the product of Russia or where any amount of primary aluminum … is smelted in Russia … shall continue to be subject to the 200 percent … established in Proclamation 10522 of February 24, 2023”
Proclamation 11021 (91 FR 18201) ↗ - Rule: Autos and auto parts under Proclamation 10908
“An article subject to tariffs pursuant to the action listed in section (2)(a) of this order shall not be subject to additional tariffs on that article pursuant to the actions listed in sections 2(b) through 2(e) of this order.”
Executive Order 14289 (90 FR 18907) ↗ - Rule: Goods listed under more than one metal
“Goods specified in Annex I-A, Annex I-B, and Annex III to this proclamation that are listed as articles or derivatives of more than one metal shall only be subject once to the respective duty rates”
Proclamation 11021 (91 FR 18201) ↗ - Rule: Annex I-B and Annex III goods without metal content
“Goods specified in Annex I-B or Annex III to this proclamation that do not contain any aluminum, steel, or copper content, as set forth in Annex IV to this proclamation, shall not be subject to the duties”
Proclamation 11021 (91 FR 18201) ↗ - Rule: Trucks, truck parts and buses under Proclamation 10984
“The application of multiple tariffs (stacking) for imports of MHDVs, MHDVPs, and buses subject to this proclamation shall follow the same rules for stacking for imports subject to Proclamation 10908, as amended.”
Proclamation 10984 (90 FR 48451) ↗ - Rule: Semiconductor Covered Products under Proclamation 11002
“If any Covered Product is subject to tariffs under both this proclamation and other section 232 proclamations, the Covered Product shall be subject to … duties imposed under this proclamation and not those imposed pursuant to any other section 232”
Proclamation 11002 (91 FR 2443) ↗ - Effective
“The modifications to the HTSUS made by the Annex to this proclamation shall be effective with respect to goods entered, or withdrawn from warehouse for consumption, on or after 12:01 a.m. eastern daylight time on March 23, 2018”
Proclamation 9705 (83 FR 11625) ↗ - Mar 23, 2018
“I have decided to adjust the imports of aluminum articles by imposing a 10 percent ad valorem tariff on aluminum articles, as defined below, imported from all countries except Canada and Mexico.”
Proclamation 9704 (83 FR 11619) ↗ - Mar 23, 2018
“I have decided to adjust the imports of steel articles by imposing a 25 percent ad valorem tariff on steel articles, as defined below, imported from all countries except Canada and Mexico.”
Proclamation 9705 (83 FR 11625) ↗ - Mar 12, 2025
“As of 12:01 a.m. on March 12, 2025, the tariff proclaimed by Proclamation 9704, as amended, … are adjusted to increase the respective tariff rates from an additional 10 percent ad valorem to an additional 25 percent ad valorem”
Proclamation 10895 (90 FR 9807) ↗ - Mar 12, 2025
“The provisions of Proclamation 9740 with respect to imports of steel articles from South Korea; … shall be ineffective as of 12:01 a.m. eastern time on March 12, 2025.”
Proclamation 10896 (90 FR 9817) ↗ - Jun 4, 2025
“on June 4, 2025, the tariffs proclaimed by … Proclamation 10895; and Proclamation 10896 are modified to increase the respective tariff rates from an additional 25 percent ad valorem to an additional 50 percent ad valorem”
Proclamation 10947 (90 FR 24199) ↗ - Jun 4, 2025
“the applicable rates of duty for articles of the United Kingdom that would otherwise be applicable pursuant to Proclamation 9704, as amended; … shall remain at 25 percent ad valorem”
Proclamation 10947 (90 FR 24199) ↗ - Aug 18, 2025
“BIS is adding 407 Harmonized Tariff Schedule of the United States (HTSUS) codes to the list of products that will be considered as steel or aluminum derivative products.”
Commerce (BIS) notice of Aug 19, 2025 (90 FR 40326) ↗ - Apr 6, 2026
“The full-value ad valorem tariffs on aluminum and steel articles, certain copper articles, and certain aluminum and steel derivative articles shall be set at an ad valorem rate of duty of 50 percent”
Proclamation 11021 (91 FR 18201) ↗ - Apr 6, 2026
“products listed in Annex II to this proclamation shall no longer be subject to the additional ad valorem duty imposed under Proclamation 9704, as amended, or Proclamation 9705, as amended”
Proclamation 11021 (91 FR 18201) ↗ - Apr 6, 2026
“The inclusion processes established pursuant to clause (7) of Proclamation 10895, clause (6) of Proclamation 10896, and clause (3) of Proclamation 10962 are hereby terminated.”
Proclamation 11021 (91 FR 18201) ↗ - Apr 6, 2026
“This notice clarifies that U.K.-origin steel articles made by Tata Steel UK for which the reported country of melt and pour is the Netherlands can continue to be imported under the lower section 232 steel tariff rate”
Commerce (BIS) notice of Apr 29, 2026 (91 FR 23056) ↗ - Jun 8, 2026
“The current threshold of 95 percent shall be modified to 85 percent. … as set forth in Annex IV to this proclamation, a product's metal content shall be deemed composed entirely of”
Proclamation 11032 (91 FR 34085) ↗ - Jun 8, 2026
“on or after 12:01 a.m. eastern daylight time on June 8, 2026, … the lists of products provided in Annex I-A, Annex I-B, Annex II, and Annex III of Proclamation 11021 are modified”
Proclamation 11032 (91 FR 34085) ↗ - Jun 8, 2026
“I determine that agricultural equipment and certain HVAC systems and components that are predominantly for residential use shall be included in the category of derivative products subject to the temporarily-reduced 15 percent ad valorem duty under Proclamation 11021.”
Proclamation 11032 (91 FR 34085) ↗ - Jun 8, 2026
“I determine that aluminum lithographic plates and steel racks constitute aluminum and steel derivative products that should be subject to the applicable derivative tariff under Proclamation 11021.”
Proclamation 11032 (91 FR 34085) ↗ - Jun 8, 2026
“I determine that it is necessary and appropriate to temporarily modify the tariffs imposed on mobile industrial equipment and machinery, as detailed below.”
Proclamation 11032 (91 FR 34085) ↗ - Jun 8, 2026
“For products of Argentina, Ecuador, El Salvador, Guatemala, Japan, the Republic of Korea, Liechtenstein, Switzerland, Taiwan, the United Kingdom, or a member nation of the European Union, the rate of duty shall be determined by the product's current ad valorem”
Proclamation 11032 (91 FR 34085) ↗ - Jul 20, 2026
“the Secretary shall allow the company to annually import primary aluminum of a quantity that corresponds to the U.S. production facility's reasonably anticipated annual output … at half the section 232 rate of duty otherwise in effect”
Proclamation 11045 (91 FR 46635) ↗ - Aug 6, 2026
“This notice requests public comments on a proposal to include 14 additional derivative articles within the scope of the Section 232 duties on steel, aluminum, and copper”
Commerce (BIS) notice of Aug 6, 2026 (91 FR 50756) ↗ - Oct 14, 2026
“This notice provides guidance to U.S. Customs and Border Protection regarding the assessment of … for products of Canada and Mexico that qualify for preferential tariff treatment under the United States-Mexico-Canada Agreement”
Commerce (BIS) notice of Oct 14, 2026 (91 FR 65162) ↗
Executive orders
FAQ
Q Are the Section 232 tariffs on steel, aluminum and their derivatives still in effect?
A Yes. Status: in effect, checked Oct 16, 2026 against the Federal Register. Proclamation 11032 (91 FR 34085) states: “I determine that it is necessary and appropriate to modify, as further described below, the tariff regimes for metal products imposed in Proclamation 9704, as amended, Proclamation 9705, as amended, and Proclamation 10962, as amended.”
Q What is the rate under the Section 232 tariffs on steel, aluminum and their derivatives?
A Aluminum and steel articles and certain derivatives (Annex I-A): 50%, ad valorem, on the full customs value, from Apr 6, 2026; Other listed aluminum and steel derivatives (Annex I-B): 25%, ad valorem, on the full customs value, from Apr 6, 2026; United Kingdom: Annex I-A products: 25%, ad valorem, on the full customs value, from Apr 6, 2026; United Kingdom: Annex I-B derivatives: 15%, ad valorem, on the full customs value, from Apr 6, 2026; Annex I-A derivatives made with U.S. metal: 10%, ad valorem, on the full customs value, from Apr 6, 2026; Annex I-B derivatives made with U.S. metal: 10%, ad valorem, on the full customs value, from Apr 6, 2026; Annex III: all-in 15% (stated in the proclamation): 15% all-in (Column 1 rate + Section 232 duty); 0% Section 232 duty if Column 1 rate is 15% or more, all-in rate stated in Proclamation 11021, applying when the Column 1 rate is below 15%; not computed by us; through 11:59 p.m. eastern standard time on December 31, 2027, from Apr 6, 2026; Annex III: U.S.-metal derivatives, all-in 10% (stated): 10% all-in (Column 1 rate + Section 232 duty), all-in rate stated in Proclamation 11021 clause (5)(b), determined the same way as the 15% rule, from Apr 6, 2026; Annex III: partners without normal trade relations: 25%, ad valorem, from Apr 6, 2026; Mobile industrial equipment and machinery (Annex I-C): 25%, ad valorem; through 11:59 p.m. eastern standard time on December 31, 2027, from Jun 8, 2026; Annex I-C: listed partners, all-in 15% (stated): 15% all-in (Column 1 rate + Section 232 duty); 0% Section 232 duty if Column 1 rate is 15% or more, all-in rate stated in Proclamation 11032 clause (2)(b), applying when the Column 1 rate is below 15%; not computed by us; through December 31, 2027, from Jun 8, 2026; Annex I-C: U.S.-metal derivatives, all-in 10% (stated): 10% all-in (Column 1 rate + Section 232 duty), all-in rate stated in Proclamation 11032 clause (2)(c), determined the same way as the partner rule, from Jun 8, 2026; Annex I-C: USMCA-qualifying products of Canada and Mexico: 25% on non-U.S. content, ad valorem, applied only to the non-U.S. content, from Jun 8, 2026; Annex I-C: minimum for USMCA-qualifying products: At least 15% total effective duty, minimum total effective duty, ad valorem, from Jun 8, 2026; Aluminum from Russia or with Russian-smelted primary aluminum: 200%, ad valorem; rate set in Proclamation 10522 of February 24, 2023 and kept by Proclamation 11021, from Apr 6, 2026. Proclamation 11021 (91 FR 18201): “for all aluminum and steel articles, most copper articles, and certain derivative articles of aluminum and steel, as listed in Annex I-A to this proclamation, shall be: (a) 50 percent” Rates listed separately are not added together here.
Q When did the Section 232 tariffs on steel, aluminum and their derivatives take effect?
A Mar 23, 2018, 12:01 a.m. eastern daylight time. Proclamation 9705 (83 FR 11625): “The modifications to the HTSUS made by the Annex to this proclamation shall be effective with respect to goods entered, or withdrawn from warehouse for consumption, on or after 12:01 a.m. eastern daylight time on March 23, 2018”
Q What law are the Section 232 tariffs on steel, aluminum and their derivatives based on?
A Section 232 of the Trade Expansion Act of 1962. Proclamation 9705 (83 FR 11625): “I concur in the Secretary's finding that steel articles are being imported into the United States in such quantities and under such circumstances as to threaten to impair the national security of the United States”
Method and limits: status reflects the Federal Register documents published up to Oct 16, 2026. For the duty on a specific product, check the Harmonized Tariff Schedule (chapter 99) and CBP's CSMS messages. Not legal or customs advice. How this tracker works.