Independent U.S. tariff referenceNot affiliated with the U.S. government
TariffLabU.S. tariff intelligence

Methodology / Data provenance

Evidence & release register

Inspect what a record contains, where it came from, and what still needs review.

Calculation coverage →
Historical modelApril 14, 2026
Evidence registerevidence-2026-09-07.1
Data fingerprint9e55ece14ca610de
Release details ↓

Migration record, not professional sign-off. These records are derived from the existing research and authority datasets. Linked documents have not yet been retained and reviewed in this register. A related document does not establish the exact passage supporting a rate.

Source documents 31Historical rate schedules 21

31 records

Clear filters
USITCresearch-htsNot reviewed

HTS revision announcements ↗

No verified publication date recorded.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
USITCresearch-scheduleNot reviewed

Harmonized Tariff Schedule ↗

No verified publication date recorded.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
CBPresearch-capeNot reviewed

CSMS 68340863: CAPE Phase 1 instructions ↗

No verified publication date recorded.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
CBPresearch-reconciliationNot reviewed

CSMS 69035485: reconciliation update ↗

No verified publication date recorded.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
IRSresearch-interestNot reviewed

Quarterly interest rates ↗

No verified publication date recorded.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
CBPresearch-customsInterestNot reviewed

2026 Q2 customs interest notice ↗

No verified publication date recorded.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
USTRresearch-forcedLabor301Not reviewed

Section 301 action covering 60 economies ↗

No verified publication date recorded.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
USTRresearch-notice301Not reviewed

July 2026 Section 301 implementing notice and annexes ↗

No verified publication date recorded.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
White Houseresearch-uasNot reviewed

August 13, 2026 UAS proclamation ↗

No verified publication date recorded.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
White Houseresearch-surchargeNot reviewed

February 2026 temporary import surcharge proclamation ↗

No verified publication date recorded.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
USTRresearch-china301Not reviewed

China Section 301 actions and exclusion process ↗

No verified publication date recorded.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
White Housedocument-proc-9705Not reviewed

Proclamation 9705 — Steel tariffs

Legacy record date: Mar 8, 2018. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • No direct source URL is recorded.
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
White Housedocument-proc-9704Not reviewed

Proclamation 9704 — Aluminum tariffs

Legacy record date: Mar 8, 2018. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • No direct source URL is recorded.
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
White Housedocument-proc-9980Not reviewed

Proclamation 9980 — Derivative articles

Legacy record date: Jan 24, 2020. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • No direct source URL is recorded.
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
White Housedocument-proc-10895Not reviewed

Proclamation 10895 — Aluminum rate adjustments

Legacy record date: Feb 10, 2025. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • No direct source URL is recorded.
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
White Housedocument-proc-10896Not reviewed

Proclamation 10896 — Steel rate adjustments

Legacy record date: Feb 10, 2025. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • No direct source URL is recorded.
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
White Housedocument-proc-10962Not reviewed

Proclamation 10962 — Copper added to Section 232

Legacy record date: Jul 30, 2025. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • No direct source URL is recorded.
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
White Housedocument-metals-annex-rebuildNot reviewed

Metals annex rebuild — Annexes I-A/I-B/II/III/IV (50%/25%/excluded/temp reduced) ↗

Legacy record date: Apr 2, 2026. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
White Housedocument-metals-annex-packageNot reviewed

Metals Annexes I-A, I-B, II, III, IV (HTS schedule) ↗

Legacy record date: Apr 2, 2026. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
White Housedocument-proc-10908Not reviewed

Proclamation 10908 — Automotive Section 232 ↗

Legacy record date: Mar 26, 2025. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
White Housedocument-proc-10908-amendmentsNot reviewed

Amendments to automotive Section 232 ↗

Legacy record date: Apr 29, 2025. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
Federal Registerdocument-eo-14289Not reviewed

EO 14289 — Addressing Certain Tariffs on Imported Articles ↗

Legacy record date: Apr 29, 2025. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
CBPdocument-cbp-auto-parts-guidanceNot reviewed

CBP guidance on automobile parts HTS list ↗

Legacy record date: May 1, 2025. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
White Housedocument-semi-procNot reviewed

Semiconductor Section 232 proclamation

Legacy record date: Jan 15, 2026. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • No direct source URL is recorded.
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
White Housedocument-timber-procNot reviewed

Timber Section 232 proclamation

Legacy record date: Sep 29, 2025. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • No direct source URL is recorded.
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
White Housedocument-trucks-procNot reviewed

Heavy trucks Section 232 proclamation

Legacy record date: Oct 17, 2025. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • No direct source URL is recorded.
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
White Housedocument-pharma-procNot reviewed

Pharmaceutical Section 232 proclamation ↗

Legacy record date: Apr 2, 2026. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
White Housedocument-pharma-fact-sheetNot reviewed

Pharmaceutical fact sheet ↗

Legacy record date: Apr 2, 2026. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
White Housedocument-sec122-actionNot reviewed

Section 122 temporary import surcharge ↗

Legacy record date: Feb 24, 2026. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
USTRdocument-ustr-301-investigationsNot reviewed

USTR Section 301 investigations ↗

Legacy record date: Jul 6, 2018. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →
USTRdocument-ustr-excess-capacityNot reviewed

USTR structural excess-capacity investigations ↗

Legacy record date: Mar 11, 2026. Publication date requires verification.

Provenance & review requirements
Retained document
Not retained in this register
Retrieval timestamp
Not recorded; no timestamp inferred from the release date
Content hash
Unavailable until original document bytes are retained
  • Original document bytes and retrieval time have not been retained.
  • Source identity and completeness have not been marked reviewed.
  • The recorded date is not a verified publication date.
Permanent record link →

Release record

Fingerprints identify the application files and published data used to build this version. They establish identity, not legal accuracy. Staged documents are excluded from the published-data fingerprint.

Application release
tarifflab-2026-09-07.4
Application fingerprint
77d95889e5fdf808eb0bb908c6d76ad70e6d8fce74e057f52bfbbbd81a55ba4e
Data fingerprint
9e55ece14ca610de369903d6238be2650879e3791597138b3380cb2ccbad1e86
Professional review
No completed professional approval recorded
Publication control
Document intake creates pending records only. Changes must be explicitly mapped, reviewed, tested, and released.