# Jamieson Greer

Type: Person

Source: Legal & RegTech Intelligence Brief — https://getlegalbrief.com/entity/jamieson-greer
Canonical HTML page: https://getlegalbrief.com/entity/jamieson-greer

## Timeline

- **2036**: USMCA set to expire — Under the non-renewal scenario, the agreement remains in force but will expire in 2036 unless renegotiated through annual reviews.
- **2026-08-19**: Tariffs take effect — After the 30-day notice period, the 50% duties become effective on the listed Canadian products.
- **2026-07-28T00:01:00-04:00**: In-transit goods exemption ends — Exemption for goods in transit expires, making all arriving goods subject to the new tariffs.
- **2026-07-25**: Tariffs Take Effect — The new duties on 60 trading partners go into force, replacing the expiring 10% global tariff.
- **2026-07-25**: Tariffs Take Effect — 10% and 12.5% forced labour tariffs become effective at 12:01 a.m., applicable to imports from designated countries.
- **2026-07-24T00:01:00-04:00**: Temporary tariff expires; new Section 301 tariffs take effect — The 150-day temporary 10% global tariff ends, and the new permanent tariffs of 10% and 12.5% on 60 countries under Section 301 come into force simultaneously.
- **2026-07-24**: Tariffs Officially Announced — The U.S. Trade Representative announces the new forced-labor-based tariffs, set to take effect the next day.
- **2026-07-24**: New Section 301 Tariffs Enacted — President Trump imposes 10-12.5% duties on imports from 60 countries, covering 99% of U.S. imports.
- **2026-07-23**: Trump Memorandum & USTR Finalization — President Trump signs memorandum; USTR Greer announces final tariff rates—India reduced to 10%, others at 12.5%. Tariffs to replace expiring temporary 10% surcharge.
- **2026-07-21**: Statutory Deadline — 150-day limit for Section 122 tariffs expires unless extended by Congress.
- **2026-07-20**: US-Mexico bilateral talks begin — A third round of bilateral negotiations between the US and Mexico is set for the week of July 20, with Canada excluded from the track.
- **2026-07-20**: US announces 50% tariffs on Canadian goods — President Trump invokes Section 338 of the Tariff Act of 1930, targeting $20B in imports ranging from wine to cement, and sets a 30-day implementation window.
- **2026-07-01**: US announces refusal to renew USMCA — US Trade Representative Jamieson Greer confirms the US will not endorse the USMCA in its current form, declining the renewal that would have extended the pact to 2042.
- **2026-07**: USTR Overproduction Investigation Ongoing — USTR probes 16 economies representing 70% of imports for overproduction, seeking further trade actions.
- **2026-07**: India Amends Foreign Trade Policy — India enacts an amendment banning the import of goods produced with forced labour, consistent with U.S. expectations.

## Recent coverage (16 stories)

### 60 Partners Hit with Section 301 Tariffs After Supreme Court Rebuke—Legal Resiliency
2026-08-01 11:43:37 · Sentiment: Neutral · Impact: 6/10 · Sources: 2

The Trump administration pivots to Section 301 of the Trade Act of 1974 to impose 10-12.5% forced-labor duties on 60 trading partners, replacing IEEPA-based tariffs struck down by the Supreme Court. This legal shift offers greater durability against court challenges and WTO disputes, but trade counsel must navigate new compliance complexities.
Full story: https://getlegalbrief.com/story/legal-section-301-forced-labor

### Section 301 Forced Labour Tariffs: India’s 2.5% Reduction Sets Legal Precedent
2026-07-25 00:37:43 · Sentiment: Bearish · Impact: 7/10 · Sources: 2

The US has imposed a 10% tariff on Indian imports under Section 301, rewarding India’s new forced-labour ban with a rate reduction from 12.5%. This novel use of trade law to enforce labour standards raises significant questions about WTO compliance and the extraterritorial reach of domestic prohibitions.
Full story: https://getlegalbrief.com/story/section-301-forced-labour-tariffs-india-legal-precedent

### 10-12.5% Tariffs Hit 99% of Imports; Legal Scrutiny Intensifies Post-SCOTUS
2026-07-24 16:11:37 · Sentiment: Very Bearish · Impact: 9/10 · Sources: 2

The Trump administration's new Section 301 tariffs, covering nearly all U.S. imports with a forced labor justification, mark a legal recalibration after the Supreme Court struck down broader trade actions. Legal experts anticipate constitutional and statutory challenges to these measures, which also face potential WTO disputes. The ongoing USTR probe into 16 nations for overproduction signals further regulatory moves.
Full story: https://getlegalbrief.com/story/trump-section-301-tariffs-legal-challenge

### 10-12.5% Tariffs on 60 Nations: How Forced Labor Law Challenges Trade Norms
2026-07-24 10:56:49 · Sentiment: Bearish · Impact: 8/10 · Sources: 2

After the Supreme Court struck down Trump's tariff powers, the U.S. pivots to a forced labor ban to levy 10-12.5% duties on 60 trading partners. This shift tests the boundaries of trade authority and potential WTO compliance.
Full story: https://getlegalbrief.com/story/us-tariffs-forced-labor-legal-analysis

### Trump Levies 10-12.5% Tariffs on 60 Nations: Section 301 End-Run After Supreme Court Loss
2026-07-24 02:26:28 · Sentiment: Very Bearish · Impact: 8/10 · Sources: 2

The Trump administration will impose new tariffs of 10% and 12.5% on 60 trading partners under Section 301 of the Trade Act, circumventing a Supreme Court ruling that struck down earlier IEEPA-based duties. The measures cover 99.4% of imports but exempt key commodities, and are tied to forced labour enforcement. Legal experts see reduced litigation risk but potential WTO challenges remain.
Full story: https://getlegalbrief.com/story/trump-section-301-tariffs-60-nations-legal-strategy

### Section 338 invoked for first time: 50% tariffs on $20B Canadian goods
2026-07-21 07:03:14 · Sentiment: Bearish · Impact: 8/10 · Sources: 3

The US invokes a dormant 1930 trade law to impose 50% tariffs on $20B of Canadian imports, raising novel legal questions about USMCA compatibility and potential WTO challenges.
Full story: https://getlegalbrief.com/story/section-338-tariffs-legal-first

### US 25% tariff on Brazil: legal precedent and trade law implications
2026-07-16 07:46:10 · Sentiment: Neutral · Impact: 6/10 · Sources: 1

The U.S. imposes a 25% tariff on Brazilian goods citing unfair trade practices after a Section 301 investigation. Exemptions for coffee, beef, and other goods raise questions about legal scrutiny and potential WTO challenges. Legal experts weigh the justification against a trade-surplus partner and the use of tariffs for non-trade policy goals.
Full story: https://getlegalbrief.com/story/us-25-percent-tariff-brazil-legal-implications

### USMCA non-renewal puts 75% auto rule at risk amid Canada-China rift
2026-07-02 00:52:39 · Sentiment: Bearish · Impact: 8/10 · Sources: 2

The US refusal to renew the USMCA in its current form plunges a $1.8 trillion trade pact into a decade of annual reviews, creating profound legal uncertainty for cross-border contracts, rules of origin, and tariff liability. With Canada sidelined and China ties blamed, trade lawyers face a new era of regulatory volatility.
Full story: https://getlegalbrief.com/story/usmca-nonrenewal-legal-uncertainty

### Canada-US Trade Thaw: New Negotiators Meet Amid CUSMA Review Uncertainty
2026-03-07 00:10:03 · Sentiment: Neutral · Impact: 7/10 · Sources: 3

Canada's newly appointed trade team held its first high-level meeting with U.S. Trade Representative Jamieson Greer to address bilateral friction and the upcoming CUSMA review. The discussions signal a potential end to a diplomatic freeze while highlighting persistent disputes over market access and the long-term viability of the trilateral agreement.
Full story: https://getlegalbrief.com/story/canada-us-trade-thaw-cusma-review

### US Shifts Legal Strategy to Maintain China Tariffs After Supreme Court Setback
2026-02-26 00:08:31 · Sentiment: Neutral · Impact: 8/10 · Sources: 2

The Trump administration is pivoting its legal framework to maintain high tariffs on Chinese goods after the Supreme Court invalidated previous levies based on emergency powers. US Trade Representative Jamieson Greer confirmed the use of Section 122 of the Trade Act of 1974 to ensure trade continuity ahead of a high-stakes meeting with President Xi Jinping.
Full story: https://getlegalbrief.com/story/us-china-tariffs-legal-pivot-section-122

### US to Implement 15% Tariff Floor; USTR Greer Signals USMCA and EU Trade Shifts
2026-02-25 14:29:44 · Sentiment: Neutral · Impact: 7/10 · Sources: 2

US Trade Representative Jamieson Greer confirmed President Trump will sign a supplemental proclamation raising tariffs to 15% selectively to ensure trade continuity. The move signals a tightening of trade enforcement, specifically targeting perceived gaps in the USMCA and existing agreements with the UK and EU.
Full story: https://getlegalbrief.com/story/us-tariff-proclamation-greer-usmca-eu

### Trump Pivots to Trade Act Authorities After Supreme Court Voids IEEPA Tariffs
2026-02-24 02:12:16 · Sentiment: Bearish · Impact: 8/10 · Sources: 2

Following a Supreme Court ruling invalidating tariffs under the International Emergency Economic Powers Act, President Trump has pivoted to Section 122 of the Trade Act of 1974. The administration is imposing a 15% temporary import duty while warning global trading partners against abandoning existing agreements.
Full story: https://getlegalbrief.com/story/trump-trade-act-pivot-scotus-tariffs

### SCOTUS Curbs Executive Tariff Powers Amid Escalating US-Iran Nuclear Diplomacy
2026-02-23 00:17:54 · Sentiment: Neutral · Impact: 8/10 · Sources: 2

The U.S. Supreme Court has struck down the executive branch's use of emergency laws to impose broad tariffs, forcing a pivot to a new 15% global tariff framework. Simultaneously, the U.S. is engaging in high-stakes diplomacy with Iran in Geneva, backed by a massive military buildup, to secure a new nuclear agreement.
Full story: https://getlegalbrief.com/story/scotus-tariff-ruling-iran-nuclear-diplomacy-2026

### EU Demands US Honor Trade Deal After Supreme Court IEEPA Ruling
2026-02-23 00:10:03 · Sentiment: Bearish · Impact: 8/10 · Sources: 2

The European Commission is demanding clarity from Washington after President Trump imposed a 15% global tariff hike immediately following a Supreme Court ruling that curtailed his trade powers. The move threatens a fragile year-old trade agreement and has prompted the European Parliament to consider freezing legislative work on the deal.
Full story: https://getlegalbrief.com/story/eu-us-trade-tariffs-ieepa-ruling

### USTR Greer Affirms Trade Deal Stability Following Supreme Court Tariff Defeat
2026-02-22 18:03:56 · Sentiment: Neutral · Impact: 6/10 · Sources: 2

US Trade Representative Jamieson Greer has confirmed that bilateral trade agreements remain legally binding despite a recent Supreme Court ruling against the administration's tariff authority. The statement aims to provide market certainty and prevent the unraveling of complex international trade frameworks.
Full story: https://getlegalbrief.com/story/ustr-greer-trade-deals-scotus-tariff-ruling

### Trump Pivots to Section 122 for 10% Global Tariff After SCOTUS Rebuke
2026-02-21 02:23:42 · Sentiment: Bearish · Impact: 8/10 · Sources: 2

President Trump has signed an executive order imposing a 10% global tariff on all imports, leveraging Section 122 of the Trade Act of 1974. This move follows a 6-3 Supreme Court ruling that invalidated previous tariffs enacted under emergency powers, forcing a strategic shift in the administration's trade enforcement mechanism.
Full story: https://getlegalbrief.com/story/trump-global-tariff-section-122-legal-analysis

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