{
  "as_of": "2026-09-28",
  "status": "research_rules_restored",
  "mode": "source-gated",
  "snapshot_name": "Tariff Portal source-reviewed research rules",
  "source_label": "Official headline facts checked September 28, 2026; applicability incomplete",
  "disclaimer": "Research support, not customs advice or a verified duty quote. Source verification does not establish shipment applicability.",
  "grounding_rule": "Every original entry retained. Active denotes the program, not automatic calculation eligibility. Unresolved applicability must fail closed.",
  "math_note": "No universal additive approximation is authorized. Country-specific floors, exclusions, quotas and company rules require explicit mappings.",
  "entries": [
    {
      "id": "sec301-2026-forced-labor",
      "kind": "country",
      "label": "Section 301 — forced-labor action",
      "rate_pct": 12.5,
      "effective_from": "2026-07-24",
      "status": "active",
      "coverage_status": "requires_annex_mapping",
      "verification_status": "headline_verified_applicability_unresolved",
      "source_url": "https://content.govdelivery.com/accounts/USDHSCBP/bulletins/421d887",
      "source": "https://content.govdelivery.com/accounts/USDHSCBP/bulletins/421d887",
      "verified_at": "2026-09-28",
      "notes": "China rate corrected to 12.5%; exemptions and applicable Chapter 99 headings must be resolved. This entry does not represent all 60 economies.",
      "countries": [
        "CN"
      ],
      "country_label": "China",
      "chapter99": "9903.05.31",
      "rule_metadata": {
        "china": "additional_ad_valorem",
        "eu": "max(0, 10 - column_1_ad_valorem_equivalent_pct)",
        "japan": "max(0, 12.5 - column_1_ad_valorem_equivalent_pct)",
        "net_mfn_scope": "EU and Japan examples only; other country rules require mapping",
        "exclusions_status": "unmapped",
        "exclusion_headings": [
          "9903.05.85–9903.05.92"
        ]
      }
    },
    {
      "id": "sec301-brazil-2026",
      "kind": "country",
      "label": "Section 301 — Brazil action",
      "rate_pct": 25,
      "effective_from": "2026-07-22",
      "status": "active",
      "coverage_status": "requires_annex_mapping",
      "verification_status": "headline_verified_applicability_unresolved",
      "source_url": "https://content.govdelivery.com/accounts/USDHSCBP/bulletins/42178c8",
      "source": "https://content.govdelivery.com/accounts/USDHSCBP/bulletins/42178c8",
      "verified_at": "2026-09-28",
      "notes": "Product exemptions, transit relief and interaction with the separate forced-labor action remain unmapped.",
      "countries": [
        "BR"
      ],
      "country_label": "Brazil"
    },
    {
      "id": "sec338-canada",
      "kind": "country",
      "label": "Section 338 — Canada selected imports",
      "rate_pct": 50,
      "effective_from": null,
      "status": "active",
      "coverage_status": "requires_annex_mapping",
      "verification_status": "headline_verified_applicability_unresolved",
      "source_url": "https://www.whitehouse.gov/presidential-actions/2026/07/imposing-additional-duties-to-offset-canadian-discrimination-against-the-commerce-of-the-united-states-with-respect-to-motor-vehicles/",
      "source": "https://www.whitehouse.gov/presidential-actions/2026/07/imposing-additional-duties-to-offset-canadian-discrimination-against-the-commerce-of-the-united-states-with-respect-to-motor-vehicles/",
      "verified_at": "2026-09-28",
      "notes": "Original proclamation scheduled August 19, 2026. Subsequent timing and September scope amendments require reconciliation; no consolidated effective date asserted.",
      "countries": [
        "CA"
      ],
      "country_label": "Canada",
      "announced_effective_from": "2026-08-19",
      "date_status": "amendment_chain_unresolved"
    },
    {
      "id": "india-ieepa",
      "kind": "country",
      "label": "Historical India Russian-oil IEEPA additional duty",
      "rate_pct": 25,
      "effective_from": "2025-08-27",
      "status": "superseded",
      "coverage_status": "requires_annex_mapping",
      "verification_status": "headline_verified_applicability_unresolved",
      "source_url": "https://content.govdelivery.com/accounts/USDHSCBP/bulletins/3ef7e13",
      "source": "https://content.govdelivery.com/accounts/USDHSCBP/bulletins/3ef7e13",
      "verified_at": "2026-09-28",
      "notes": "Historical only. The separate Russian-oil duty was removed effective February 7, 2026; do not imply its removal first occurred with the later Supreme Court judgment.",
      "countries": [
        "IN"
      ],
      "country_label": "India",
      "effective_to": "2026-02-07",
      "effective_to_exclusive": true,
      "removal_source_url": "https://www.whitehouse.gov/presidential-actions/2026/02/modifying-duties-to-address-threats-to-the-united-states-by-the-government-of-the-russian-federation-04b2/"
    },
    {
      "id": "sec122-global-2026",
      "kind": "country",
      "label": "Historical Section 122 temporary surcharge",
      "rate_pct": 10,
      "effective_from": "2026-02-24",
      "status": "expired",
      "coverage_status": "requires_annex_mapping",
      "verification_status": "headline_verified_applicability_unresolved",
      "source_url": "https://www.govinfo.gov/content/pkg/FR-2026-02-25/pdf/2026-03824.pdf",
      "source": "https://www.govinfo.gov/content/pkg/FR-2026-02-25/pdf/2026-03824.pdf",
      "verified_at": "2026-09-28",
      "notes": "Historical only. Original start corrected from February 20 to February 24. Product exclusions and transit treatment are not mapped.",
      "countries": [
        "ALL"
      ],
      "country_label": "All origins subject to exclusions",
      "effective_to": "2026-07-24",
      "effective_to_exclusive": true
    },
    {
      "id": "sec232-steel-aluminum",
      "kind": "product",
      "label": "Section 232 — steel and aluminum",
      "rate_pct": 50,
      "effective_from": "2026-04-06",
      "status": "active",
      "coverage_status": "requires_annex_mapping",
      "verification_status": "headline_verified_applicability_unresolved",
      "source_url": "https://content.govdelivery.com/accounts/USDHSCBP/bulletins/4117593",
      "source": "https://content.govdelivery.com/accounts/USDHSCBP/bulletins/4117593",
      "verified_at": "2026-09-28",
      "notes": "50% is one branch of the April 2026 revised regime, not a universal metals rate. Derivative, metal-weight, origin and other rate branches require mapping.",
      "rule_metadata": {
        "chapter99_example": "9903.82.02",
        "rate_scope": "selected articles only",
        "exclusions_status": "unmapped",
        "subsequent_amendments_status": "not_comprehensively_reconciled"
      }
    },
    {
      "id": "sec232-autos",
      "kind": "product",
      "label": "Section 232 — automobiles and parts",
      "rate_pct": 25,
      "effective_from": null,
      "status": "active",
      "coverage_status": "requires_annex_mapping",
      "verification_status": "headline_verified_applicability_unresolved",
      "source_url": "https://content.govdelivery.com/accounts/USDHSCBP/bulletins/3de8cac",
      "source": "https://content.govdelivery.com/accounts/USDHSCBP/bulletins/3de8cac",
      "verified_at": "2026-09-28",
      "notes": "25% baseline for covered products; parts began May 3, 2025. Autos have a different start. Origin agreements, USMCA/non-US content and later amendments remain unresolved; no single effective date asserted.",
      "rule_metadata": {
        "parts_effective_from": "2025-05-03",
        "vehicle_effective_from": "2025-04-03",
        "coverage_status": "vehicle_parts_and_origin_mapping_required"
      }
    },
    {
      "id": "sec232-pharma",
      "kind": "product",
      "label": "Section 232 — patented pharmaceuticals",
      "rate_pct": 100,
      "effective_from": "2026-07-31",
      "status": "active",
      "coverage_status": "requires_annex_mapping",
      "verification_status": "headline_verified_applicability_unresolved",
      "source_url": "https://www.govinfo.gov/content/pkg/FR-2026-09-23/html/2026-19498.htm",
      "source": "https://www.govinfo.gov/content/pkg/FR-2026-09-23/html/2026-19498.htm",
      "verified_at": "2026-09-28",
      "notes": "Proclamation 11020 dated April 2, 2026: July 31 for Annex III companies, September 29 for others. Generics excluded; origin, specialty-product and approved company relief may change rates.",
      "rule_metadata": {
        "first_company_cohort_effective_from": "2026-07-31",
        "other_companies_effective_from": "2026-09-29",
        "company_mapping_status": "unmapped",
        "exclusions_status": "unmapped"
      }
    },
    {
      "id": "sec232-drones",
      "kind": "product",
      "label": "Section 232 — covered drones and components",
      "rate_pct": 100,
      "effective_from": "2026-09-03",
      "status": "active",
      "coverage_status": "requires_annex_mapping",
      "verification_status": "headline_verified_applicability_unresolved",
      "source_url": "https://www.whitehouse.gov/presidential-actions/2026/08/adjusting-imports-of-unmanned-aircraft-systems-and-unmanned-aircraft-systems-components-into-the-united-states/",
      "source": "https://www.whitehouse.gov/presidential-actions/2026/08/adjusting-imports-of-unmanned-aircraft-systems-and-unmanned-aircraft-systems-components-into-the-united-states/",
      "verified_at": "2026-09-28",
      "notes": "100% is the Annex I branch; Annex II has 25%. Origin, company and approved-list relief/delays require mapping. Start corrected to September 3.",
      "rule_metadata": {
        "annex_I_rate_pct": 100,
        "annex_II_rate_pct": 25,
        "exceptions_status": "unmapped"
      }
    },
    {
      "id": "sec201-quartz",
      "kind": "product",
      "label": "Section 201 — quartz safeguard tariff-rate quota",
      "rate_pct": null,
      "effective_from": "2026-08-15",
      "status": "active",
      "coverage_status": "requires_annex_mapping",
      "verification_status": "headline_verified_applicability_unresolved",
      "source_url": "https://www.whitehouse.gov/presidential-actions/2026/07/to-facilitate-positive-adjustment-to-competition-from-imports-of-quartz-surface-products/",
      "source": "https://www.whitehouse.gov/presidential-actions/2026/07/to-facilitate-positive-adjustment-to-competition-from-imports-of-quartz-surface-products/",
      "verified_at": "2026-09-28",
      "notes": "A tariff-rate quota, not a flat rate. Country exclusions, quota availability and Annex rate schedule are required. Previous 25% scalar and January 2025 start withdrawn.",
      "rule_metadata": {
        "type": "tariff_rate_quota",
        "rate_schedule_status": "annex_not_transcribed",
        "quota_status": "unknown",
        "exclusions_status": "unmapped"
      }
    },
    {
      "id": "fee-mpf",
      "kind": "fee",
      "label": "MPF — Merchandise Processing Fee",
      "rate_pct": 0.3464,
      "effective_from": "2025-10-01",
      "status": "active",
      "coverage_status": "requires_entry_and_exemption_confirmation",
      "verification_status": "rate_and_fy_bounds_verified",
      "source_url": "https://www.help.cbp.gov/s/article/Article-1128?language=en_US",
      "source": "https://www.help.cbp.gov/s/article/Article-1128?language=en_US",
      "verified_at": "2026-09-28",
      "notes": "FY2026 formal-entry bounds. Exemptions, entry type and manual-filing surcharge require separate treatment.",
      "min_usd": 33.58,
      "max_usd": 651.5,
      "effective_to": "2026-10-01",
      "effective_to_exclusive": true
    },
    {
      "id": "fee-hmf",
      "kind": "fee",
      "label": "HMF — Harbor Maintenance Fee",
      "rate_pct": 0.125,
      "effective_from": null,
      "status": "active",
      "coverage_status": "requires_port_and_exemption_confirmation",
      "verification_status": "rate_verified",
      "source_url": "https://www.help.cbp.gov/s/article/Article-1105?language=en_US",
      "source": "https://www.help.cbp.gov/s/article/Article-1105?language=en_US",
      "verified_at": "2026-09-28",
      "notes": "Commercial cargo at covered ports; exemptions and valuation must be confirmed. Not a universal charge on every shipment.",
      "date_status": "current_guidance_no_start_date_asserted"
    }
  ]
}
