{
 "asOf": "2026-08-31",
 "changes": [
  {
   "slug": "section-232-uas",
   "date": "2026-09-03",
   "kind": "new",
   "pending": true,
   "title": "Section 232 duties on unmanned aircraft take effect",
   "summary": "One hundred percent on unmanned aircraft over 25kg or carrying thermal imaging, 25 percent at or under 25kg. Announced but not yet collectible.",
   "programs": [
    "s232"
   ],
   "source": {
    "authority": "FEDERAL_REGISTER",
    "title": "Section 232 proclamation on unmanned aircraft (document number not yet published)",
    "url": "https://www.federalregister.gov/",
    "documentDate": "2026-08-19"
   },
   "url": "https://tariffwatch.io/changes/section-232-uas"
  },
  {
   "slug": "section-338-canada",
   "date": "2026-08-22",
   "kind": "new",
   "pending": false,
   "title": "Section 338 duties on Canadian goods take effect at 50 percent",
   "summary": "Three proclamations of 20 July 2026, answering Canadian measures on alcoholic beverages, dairy and motor vehicles. Each names a grievance rather than the goods it taxes: the duties fall on a mixed basket of Canadian products across 55 chapters. Originally set for 19 August and moved to 22 August by Proclamation 11056, which suspended them for three days during negotiations. First use of Section 338 of the Tariff Act of 1930.",
   "programs": [
    "s338"
   ],
   "source": {
    "authority": "FEDERAL_REGISTER",
    "title": "Proclamation 11046, additional duties to offset Canadian discrimination with respect to alcoholic beverages",
    "url": "https://www.federalregister.gov/documents/2026/07/23/2026-14991/imposing-additional-duties-to-offset-canadian-discrimination-against-the-commerce-of-the-united",
    "frCitation": "91 FR 46639",
    "documentDate": "2026-07-23"
   },
   "url": "https://tariffwatch.io/changes/section-338-canada"
  },
  {
   "slug": "section-122-surcharge-expires",
   "date": "2026-07-24",
   "kind": "expired",
   "pending": false,
   "title": "Section 122 import surcharge lapses on its statutory clock",
   "summary": "The 10 percent surcharge imposed under Proclamation 11012 reached the 150-day limit Section 122 imposes and was not extended.",
   "programs": [
    "s122"
   ],
   "source": {
    "authority": "WHITE_HOUSE",
    "title": "Learning Resources, Inc. v. Trump, No. 24-1287 (U.S. Feb. 20, 2026)",
    "url": "https://www.supremecourt.gov/opinions/25pdf/24-1287_4gcj.pdf",
    "documentDate": "2026-02-20"
   },
   "url": "https://tariffwatch.io/changes/section-122-surcharge-expires"
  },
  {
   "slug": "section-301-forced-labor",
   "date": "2026-07-24",
   "kind": "new",
   "pending": false,
   "title": "Section 301 action on forced labour takes effect across 60 economies",
   "summary": "Additional duties of 10 or 12.5 percent by economy. Five economies are implemented as paired headings that cap the combined duty rather than adding to it.",
   "programs": [
    "s301"
   ],
   "source": {
    "authority": "USTR",
    "title": "Notice of Actions in Section 301 Investigations of Various Economies",
    "url": "https://www.federalregister.gov/documents/2026/07/28/2026-15181/notice-of-actions-in-section-301-investigations-of-acts-policies-and-practices-of-various-economies",
    "frCitation": "FR Doc. 2026-15181",
    "documentDate": "2026-07-28"
   },
   "url": "https://tariffwatch.io/changes/section-301-forced-labor"
  },
  {
   "slug": "section-232-full-customs-value",
   "date": "2026-04-06",
   "kind": "rate_change",
   "pending": false,
   "title": "Section 232 metals move from metal content to full customs value",
   "summary": "Proclamation 11021 applies the duty to the full customs value of the imported article regardless of metal content, amending the earlier content-basis approach.",
   "programs": [
    "s232"
   ],
   "source": {
    "authority": "FEDERAL_REGISTER",
    "title": "Proclamation 11021, adjusting imports of aluminum, steel and copper",
    "url": "https://www.federalregister.gov/documents/2026/04/09/2026-06960/strengthening-actions-taken-to-adjust-imports-of-aluminum-steel-and-copper-into-the-united-states",
    "frCitation": "FR Doc. 2026-06960",
    "documentDate": "2026-04-09"
   },
   "url": "https://tariffwatch.io/changes/section-232-full-customs-value"
  },
  {
   "slug": "ieepa-tariffs-struck-down",
   "date": "2026-02-20",
   "kind": "retired",
   "pending": false,
   "title": "Supreme Court holds IEEPA does not authorise tariffs",
   "summary": "All IEEPA-based duties, including the reciprocal schedule, ceased to be collectible for entries made on or after 24 February 2026.",
   "programs": [
    "ieepa"
   ],
   "source": {
    "authority": "WHITE_HOUSE",
    "title": "Learning Resources, Inc. v. Trump, No. 24-1287 (U.S. Feb. 20, 2026)",
    "url": "https://www.supremecourt.gov/opinions/25pdf/24-1287_4gcj.pdf",
    "documentDate": "2026-02-20"
   },
   "url": "https://tariffwatch.io/changes/ieepa-tariffs-struck-down"
  }
 ],
 "attribution": "Tariff Watch, https://tariffwatch.io. Rates are informational, not a ruling or legal advice."
}