US Tariff Action Timeline — Federal Register Intelligence

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Curated timeline of 71 US tariff-policy actions (2025-02-01 → 2026-09-29), each traced to its Federal Register presidential document: policy thread, action type, legal authority family (IEEPA, Section 232/301/201/122/338), scope, target countries/sectors, headline ad-valorem rate (only when stated verbatim in the operative text), effective date, and status at the dataset vintage. Includes a documented 0-100 trade_policy_pressure_score, T1–T3 impact tiers, per-thread event indices, and a rolling 30-day action count.

Source: Federal Register (OFR/NARA/GPO) — US tariff action timeline
Rows: 71
Columns: 26
Source cadence: Daily
Last refreshed: Sep 29, 2026
Theme: trade

Column	Type	Description
action_date	date	Signing date of the action (ISO date).
publication_date	date	Federal Register publication date (ISO date).
document_number	string	Federal Register document number; the row identity.
document_type	string	executive_order \| proclamation \| memorandum.
presidential_number	string	EO / proclamation / memorandum number as issued.
title	string	Official Federal Register document title.
policy_thread	string	Tariff campaign this action belongs to (e.g. reciprocal_tariffs).
action_type	string	impose \| increase \| modify \| suspend \| decrease \| terminate \| import_ban \| safeguard \| agreement \| relief \| preference_extension \| pending_curation.
authority_family	string	Legal authority: IEEPA \| Section 232 \| Section 301 \| Section 201 \| Section 122 \| Section 338 \| AGOA \| Tariff Act Sec 318 \| URAA Sec 404 \| trade_agreement \| pending_curation.
scope_type	string	global \| country \| product_sector \| mixed.
target_countries	string	Comma-joined ISO country codes, GLOBAL, or a region group (e.g. AGOA).
product_sectors	string	Comma-joined product-sector labels.
headline_rate_pct	float	Headline additional ad-valorem rate, only when stated verbatim in the operative text; null otherwise. (unit: percent)
rate_note	string	Rate detail / qualifier.
effective_date	string	Date the duty, suspension or ban took effect (ISO date).
status	string	Status at dataset vintage: in_effect \| announced \| suspended \| expired \| terminated \| superseded \| executed \| pending_curation.
status_note	string	Status explanation.
summary	string	One-sentence summary of the action.
trade_policy_pressure_score	integer	0-100 composite trade-restriction intensity (documented formula in dataset method).
impact_tier	string	T1 (broad/high-rate) \| T2 (material) \| T3 (narrow/relief).
thread_event_index	integer	1-based order of the action within its policy_thread.
days_since_prior_thread_action	integer	Calendar days since the previous action in the same thread (null for first). (unit: days)
actions_30d	integer	Tariff actions with action_date in [action_date - 30 days, action_date].
publication_count	integer	Federal Register publications of this action (2 for EO 14388).
source_url	string	Official Federal Register document URL.
row_hash	string	Deterministic row id: first 16 hex of sha256('TARIFF\|<document_number>').

First 10 sample rows — a preview, not the complete dataset.

action_date	publication_date	document_number	document_type	presidential_number	title	policy_thread	action_type	authority_family	scope_type	target_countries	product_sectors	headline_rate_pct	rate_note	effective_date	status	status_note	summary	trade_policy_pressure_score	impact_tier	thread_event_index	days_since_prior_thread_action	actions_30d	publication_count	source_url	row_hash
2025-02-01T00:00:00	2025-02-07T00:00:00	2025-02406	executive_order	EO 14193	Imposing Duties To Address the Flow of Illicit Drugs Across Our Northern Border	ieepa_fentanyl_canada	impose	IEEPA	country	CAN	all_goods	25	additional; Canadian energy/resources 10%	2025-02-04	terminated	EO 14389 (2026-02-20) ended all IEEPA fentanyl duties	Imposed additional 25% duties on Canadian goods (10% onenergy/resources) over illicit-drug flows.	94	T1	1	—	3	1	https://www.federalregister.gov/documents/2025/02/07/2025-02406/imposing-duties-to-address-the-flow-of-illicit-drugs-across-our-northern-border	bf11a8cde6729302
2025-02-01T00:00:00	2025-02-07T00:00:00	2025-02407	executive_order	EO 14194	Imposing Duties To Address the Situation at Our Southern Border	ieepa_fentanyl_mexico	impose	IEEPA	country	MEX	all_goods	25	additional	2025-02-04	terminated	EO 14389 (2026-02-20) ended all IEEPA fentanyl duties	Imposed additional 25% duties on Mexican goods over illicit-drug flows.	94	T1	1	—	3	1	https://www.federalregister.gov/documents/2025/02/07/2025-02407/imposing-duties-to-address-the-situation-at-our-southern-border	613a299e313ae5f2
2025-02-01T00:00:00	2025-02-07T00:00:00	2025-02408	executive_order	EO 14195	Imposing Duties To Address the Synthetic Opioid Supply Chain in the People's Republic of China	ieepa_fentanyl_china	impose	IEEPA	country	CHN	all_goods	10	additional	2025-02-04	terminated	EO 14389 (2026-02-20) ended all IEEPA fentanyl duties	Imposed additional 10% duties on Chinese goods over thesynthetic-opioid supply chain.	88	T2	1	—	3	1	https://www.federalregister.gov/documents/2025/02/07/2025-02408/imposing-duties-to-address-the-synthetic-opioid-supply-chain-in-the-peoples-republic-of-china	1a3595ffff0575f0
2025-02-03T00:00:00	2025-02-10T00:00:00	2025-02478	executive_order	EO 14197	Progress on the Situation at Our Northern Border	ieepa_fentanyl_canada	suspend	IEEPA	country	CAN	all_goods	25	pause of EO 14193 duties	2025-02-03	superseded	pause until 2025-03-04; duties then took effect	Paused the Canada IEEPA duties until 2025-03-04 pending cooperation assessment.	58	T1	2	2	5	1	https://www.federalregister.gov/documents/2025/02/10/2025-02478/progress-on-the-situation-at-our-northern-border	d240a47eb8b8c91b
2025-02-03T00:00:00	2025-02-10T00:00:00	2025-02479	executive_order	EO 14198	Progress on the Situation at Our Southern Border	ieepa_fentanyl_mexico	suspend	IEEPA	country	MEX	all_goods	25	pause of EO 14194 duties	2025-02-03	superseded	pause until 2025-03-04; duties then took effect	Paused the Mexico IEEPA duties until 2025-03-04 pending cooperation assessment.	58	T1	2	2	5	1	https://www.federalregister.gov/documents/2025/02/10/2025-02479/progress-on-the-situation-at-our-southern-border	6d29e66ea1796f11
2025-02-05T00:00:00	2025-02-11T00:00:00	2025-02512	executive_order	EO 14200	Amendment to Duties Addressing the Synthetic Opioid Supply Chain in the People's Republic of China	ieepa_fentanyl_china	suspend	IEEPA	country	CHN,HKG	low_value_parcels	10	de minimis termination paused (operative text in FR scan)	2025-02-05	superseded	overtaken when de minimis for PRC/HK ended 2025-05-02	Paused the end of duty-free de minimis treatment for PRC/Hong Kong goods.	52	T2	2	4	6	1	https://www.federalregister.gov/documents/2025/02/11/2025-02512/amendment-to-duties-addressing-the-synthetic-opioid-supply-chain-in-the-peoples-republic-of-china	9211446a1ed89d8f
2025-02-10T00:00:00	2025-02-18T00:00:00	2025-02832	proclamation	Proc 10895	Adjusting Imports of Aluminum Into the United States	s232_steel_aluminum	increase	Section 232	global	GLOBAL	aluminum	25	additional; raised from 10%; country exemptions ended	2025-03-12	in_effect	base aluminum 232 regime; later raised to 50% by Proc 10947	Raised aluminum 232 tariffs 10% to 25% and ended country exemptions.	92	T1	1	—	8	1	https://www.federalregister.gov/documents/2025/02/18/2025-02832/adjusting-imports-of-aluminum-into-the-united-states	04cf4d9f12313c2c
2025-02-10T00:00:00	2025-02-18T00:00:00	2025-02833	proclamation	Proc 10896	Adjusting Imports of Steel Into the United States	s232_steel_aluminum	modify	Section 232	global	GLOBAL	steel	25	additional; exemptions ended; certain derivatives 50%	2025-03-12	in_effect	base steel 232 regime; later raised to 50% by Proc 10947	Ended steel 232 country exemptions (25% base; 50% for certain derivatives).	52	T1	2	0	8	1	https://www.federalregister.gov/documents/2025/02/18/2025-02833/adjusting-imports-of-steel-into-the-united-states	7440a2a384e5c04d
2025-03-02T00:00:00	2025-03-06T00:00:00	2025-03728	executive_order	EO 14226	Amendment to Duties To Address the Flow of Illicit Drugs Across Our Northern Border	ieepa_fentanyl_canada	modify	IEEPA	country	CAN	usmca_qualifying_goods	25	USMCA-qualifying goods exempt (operative text in FR scan)	2025-03-02	superseded	overtaken by later amendments and the 2026-02-20 termination	Amended Canada IEEPA duties (USMCA treatment; operative detail in FR scan).	44	T1	3	27	10	1	https://www.federalregister.gov/documents/2025/03/06/2025-03728/amendment-to-duties-to-address-the-flow-of-illicit-drugs-across-our-northern-border	5ad75cba6324d3dd
2025-03-02T00:00:00	2025-03-06T00:00:00	2025-03729	executive_order	EO 14227	Amendment to Duties To Address the Situation at Our Southern Border	ieepa_fentanyl_mexico	modify	IEEPA	country	MEX	usmca_qualifying_goods	25	USMCA-qualifying goods exempt (operative text in FR scan)	2025-03-02	superseded	overtaken by later amendments and the 2026-02-20 termination	Amended Mexico IEEPA duties (USMCA treatment; operative detail in FR scan).	44	T1	3	27	10	1	https://www.federalregister.gov/documents/2025/03/06/2025-03729/amendment-to-duties-to-address-the-situation-at-our-southern-border	1ccf0e46649011dd

Point any LLM at the metadata endpoint — the documentation above is machine-readable too (JSON-LD + Croissant).

cURL

curl "https://datazimuts.com/v1/datasets/us_tariff_action_timeline_intel/us_tariff_action_timeline_intel" | jq '{title, rows, columns_count, license}'

Python

import requests

ds = requests.get("https://datazimuts.com/v1/datasets/us_tariff_action_timeline_intel/us_tariff_action_timeline_intel").json()
print(ds["title"], ds["rows"], "rows")

# Sample rows for an LLM context window
for row in ds.get("sample_rows", [])[:5]:
    print(row)

API endpoint: https://datazimuts.com/v1/datasets/us_tariff_action_timeline_intel/us_tariff_action_timeline_intel

Tip: fetch /llms.txt for the full machine-readable catalog.

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Pinned to snapshot 20260929T144750Z-9b718c651590 and its content hash, so readers get exactly the data you used.

APA

Federal Register (OFR/NARA/GPO) — US tariff action timeline. (2026). US Tariff Action Timeline — Federal Register Intelligence [Data set, snapshot 20260929T144750Z-9b718c651590, sha256 9b718c651590]. Datazimuts. Retrieved 2026-09-30, from https://datazimuts.com/en/datasets/us_tariff_action_timeline_intel/us_tariff_action_timeline_intel?snapshot=20260929T144750Z-9b718c651590

BibTeX

@misc{dz_us_tariff_action_timeline_intel_us_tarif_9b718c65,
  title        = {{US Tariff Action Timeline — Federal Register Intelligence}},
  author       = {{Federal Register (OFR/NARA/GPO) — US tariff action timeline}},
  year         = {2026},
  publisher    = {Datazimuts},
  howpublished = {\url{https://datazimuts.com/en/datasets/us_tariff_action_timeline_intel/us_tariff_action_timeline_intel?snapshot=20260929T144750Z-9b718c651590}},
  note         = {Snapshot 20260929T144750Z-9b718c651590, sha256 9b718c65159045e67eac58233966436b5754233272c55dda9aa4c9a1867beb67; accessed 2026-09-30}
}

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