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United States-Mexico-Canada Agreement

United States-Mexico-Canada Agreement: Establishes North American Rules of Origin, Labour, Environmental and Supply-Chain Governance

Maílis Carrilho
Written by Maílis Carrilho
Published Aug 17, 2026

Summary

The United States-Mexico-Canada Agreement (USMCA), also known as CUSMA in Canada and T-MEC in Mexico, replaced NAFTA and entered into force on 1 July 2020. It governs North American trade across goods, services, digital trade, agriculture, customs, labour, environment and automotive supply chains. It provides preferential treatment where rules of origin are met, including stronger automotive requirements such as 75% North American auto content. It also incorporates labour and environment provisions into the main text and makes them enforceable through dispute settlement. USMCA is especially relevant for EVs, batteries, automotive parts, textiles, agriculture, chemicals and cross-border manufacturing.

Details

Jurisdictions
  • The United States of America (USA)
  • Canada
  • Mexico
Mandatory for

USMCA requirements apply when companies claim preferential treatment or trade goods and services under agreement-covered rules.

Mandatory areas can include:

Rules of origin.

Origin certification.

Customs documentation.

Automotive content thresholds.

Labour value content.

Textile and apparel rules.

Environmental compliance under domestic law.

Agriculture and SPS requirements.

Record retention.

Verification response.

Exemptions

USMCA does not eliminate every trade restriction. It does not remove the need for:

Customs declarations.

Origin proof.

Product safety compliance.

Domestic environmental permits.

Labour law compliance.

Food safety rules.

Import controls.

Sector-specific regulation.

Goods that do not meet USMCA origin rules may still be traded, but they may not qualify for preferential tariff treatment.

Deep dive

5 min read
Published Aug 17, 2026

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What’s Required

1. Rules of origin for preferential trade

USMCA gives preferential tariff treatment to goods that meet the agreement’s rules of origin. Companies must prove that goods qualify as originating in North America.

This can require:

  • Regional value content calculations.

  • Tariff classification.

  • Product-specific origin rules.

  • Supplier declarations.

  • Production records.

  • Certification of origin.

  • Customs documentation.

  • Record retention.

  • Verification readiness.

The rules are especially detailed for automotive and auto parts.

2. Automotive regional value content

USMCA strengthened automotive origin rules. USTR states that the agreement requires 75% of auto content to be made in North America, an increase from NAFTA-era rules.

This affects:

  • Vehicles.

  • Auto parts.

  • Batteries.

  • EV supply chains.

  • Steel and aluminium sourcing.

  • Electronics.

  • Critical minerals.

  • Tier 1 and Tier 2 suppliers.

  • Cross-border manufacturing.

For automotive companies, USMCA compliance is a supply-chain mapping exercise, not a simple customs declaration.

3. Labour value content and labour rules

USMCA includes stronger labour rules than NAFTA. USTR states that labour and environment provisions are incorporated into the main text and are subject to an updated dispute settlement mechanism.

Automotive rules also include labour value content requirements, designed to support higher-wage production within the region.

Companies should monitor:

  • Wage thresholds.

  • Facility-level labour conditions.

  • Freedom of association.

  • Collective bargaining.

  • Forced labour risk.

  • Labour complaints.

  • Rapid Response Labor Mechanism exposure.

  • Supplier labour practices.

4. Environmental obligations

USMCA includes an environment chapter, and USTR states that environmental provisions are fully incorporated into the agreement and enforceable through the updated dispute settlement mechanism.

Relevant issues include:

  • Illegal wildlife trade.

  • Fisheries.

  • Air quality.

  • Marine litter.

  • Environmental law enforcement.

  • Conservation.

  • Sustainable forestry.

  • Pollution controls.

  • Multilateral environmental agreements.

  • Public participation.

5. Customs administration and trade facilitation

USMCA includes rules on origin procedures, customs administration, and trade facilitation. The US Department of Commerce notes that USMCA includes uniform regulations on origin procedures, textile and apparel goods, and customs administration and trade facilitation.

Companies need robust systems for:

  • Certificates of origin.

  • Customs records.

  • Importer knowledge.

  • Origin verification.

  • Supplier declarations.

  • Textile and apparel rules.

  • Tariff classification.

  • Audit response.

6. Agriculture and food trade

USMCA governs agricultural trade and market access between the three countries. It affects dairy, grains, meat, processed foods, agricultural biotechnology, sanitary and phytosanitary measures, and food labelling.

Sustainability relevance includes:

  • Fertilizer-intensive agriculture.

  • Methane-intensive livestock.

  • Water stress.

  • Pesticide controls.

  • Food waste.

  • Packaging.

  • Cross-border cold chains.

7. Digital trade and services

USMCA modernised North American trade rules by including digital trade provisions. This matters for clean-tech services, ESG platforms, logistics software, emissions reporting systems and digital supply-chain management.

Important Deadlines

  • 30 November 2018: agreement signed

The US, Mexico and Canada signed the agreement in 2018 after renegotiating NAFTA.

  • 1 July 2020: entry into force

USMCA entered into force on 1 July 2020, replacing NAFTA.

  • Ongoing: automotive origin compliance

Automotive and parts producers must continue to demonstrate compliance with USMCA regional value content and related rules for preferential treatment.

  • Ongoing: labour and environment enforcement

USMCA labour and environment provisions are active and enforceable through the agreement’s dispute settlement framework.

  • 2026: scheduled joint review context

USMCA includes a review mechanism after six years. This makes 2026 a key policy review point for the agreement’s future operation and potential updates.

Current Status

USMCA is in force and operational. It replaced NAFTA on 1 July 2020 and remains the core North American trade agreement.

Current status:

  • Active trade agreement between the US, Mexico, and Canada.

  • Known as USMCA, CUSMA, and T-MEC.

  • Replaced NAFTA.

  • Includes stricter automotive rules of origin.

  • Includes labour and environmental provisions in the main text.

  • Includes updated dispute settlement mechanisms.

  • Relevant to automotive, EVs, batteries, agriculture, digital trade, chemicals, textiles and manufacturing.

  • Subject to ongoing enforcement and scheduled review.

Penalties for Non-Compliance

Possible consequences include:

1. Loss of preferential tariff treatment

If origin cannot be proven, goods may lose USMCA tariff preference.

2. Duty repayment

Customs authorities may require payment of duties, interest and penalties after verification.

3. Customs audits and penalties

False origin claims, incorrect classifications or inadequate records can trigger enforcement.

4. Labour enforcement actions

Facilities and companies may face trade consequences where labour violations are found under applicable USMCA mechanisms.

5. Environmental dispute settlement

State-level failures to enforce environmental obligations can trigger dispute processes under the agreement.

6. Border delays

Documentation or compliance failures can delay goods at the border.

7. Contractual and supply-chain consequences

OEMs and buyers may remove suppliers unable to support origin, labour, environmental or traceability requirements.

Examples of Known Violations / Failure Modes

Typical violations and failure modes include:

  • Claiming USMCA preferential treatment without origin evidence.

  • Miscalculating regional value content.

  • Failing to track automotive parts origin.

  • Treating non-originating battery materials as originating.

  • Using incomplete supplier declarations.

  • Misclassifying goods under the wrong tariff code.

  • Failing customs verification.

  • Ignoring labour value content requirements.

  • Overlooking forced labour or collective bargaining risk in supply chains.

  • Treating USMCA as automatic tariff-free access.

  • Not updating origin calculations after supplier changes.

  • Failing to retain records.

  • Inconsistent origin claims across customs brokers and internal systems.

  • Environmental or labour claims unsupported by facility-level evidence.

Resources


Maílis Carrilho
Added by:
Maílis Carrilho
Sustainability Research Analyst
Maílis Carrilho is a Sustainability Research Analyst (Intern) at Net Zero Compare, contributing research and analysis on climate tech, carbon policies, and sustainable solutions. She supports the team in developing fact-based content and insights to help companies and readers navigate the evolving sustainability landscape.
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Added on Aug 17, 2026 by Maílis Carrilho ·