Mexico · United States · Canada · Global
Executive Strategic Brief | Week 12 | Wednesday 18-03-2026
SEMUDMEX – Strategic Customs, Trade & Regulatory Advisory
I. United States – Tariffs and Legal Transformation
CBP prepares system for large-scale tariff refunds
Source: Reuters (Mar 2026); U.S. Customs and Border Protection developments
Operational Explanation: CBP is actively building the infrastructure required to process refund claims following court decisions that invalidated certain tariffs. Estimates place total exposure between USD 166 and 175 billion, involving more than 300,000 importers and millions of historical entries.
SEMUDMEX Practical Risk Assessment: This will trigger a multi-year cycle of refunds, protests and reconciliations. Companies should immediately identify affected entries, analyze liquidation status and prepare documentation for recovery.
Tariff litigation moves into execution phase
Source: Reuters (Feb–Mar 2026); U.S. Court of International Trade rulings
Operational Explanation: Recent rulings not only invalidated tariffs but also ordered operational adjustments in how CBP processes entries and refunds. The issue is no longer legal theory—it is now an administrative execution problem.
SEMUDMEX Practical Risk Assessment: Companies that do not proactively manage this process risk losing recovery opportunities or facing disputes over incorrect refund allocations.
U.S. evaluates alternative tariff mechanisms
Source: Reuters; policy discussions on Section 232 and 301
Operational Explanation: With legal limits emerging on certain tariffs, policymakers are exploring other statutory tools to maintain trade leverage, including national security and unfair trade provisions.
SEMUDMEX Practical Risk Assessment: Tariff volatility will remain structural. Companies must maintain flexible pricing, sourcing and compliance strategies.
New global tariff baseline introduced
Source: Reuters (Feb 2026) – U.S. tariff policy updates
Operational Explanation: The U.S. has introduced a temporary global tariff of approximately 10%, with discussions to increase it to 15%. This applies broadly and affects cost structures across imports.
SEMUDMEX Practical Risk Assessment: Immediate impact on landed cost calculations. Companies must reassess pricing models and supplier contracts.
II. USMCA (T-MEC) – Strategic Realignment
Pressure to tighten USMCA rules against Chinese content
Source: Reuters (Mar 2026) – U.S. political and trade discussions
Operational Explanation: U.S. policymakers are pushing to strengthen rules of origin and limit the use of Mexico as a platform for Chinese goods entering the U.S. market.
SEMUDMEX Practical Risk Assessment: This directly impacts nearshoring models. Companies must reassess origin structures and supply chain transparency.
Mexico and Canada defend trilateral structure
Source: Reuters (Mar 2026) – Government statements
Operational Explanation: Both countries reaffirmed their commitment to maintaining the trilateral nature of USMCA ahead of the 2026 review process.
SEMUDMEX Practical Risk Assessment: This signals negotiation tension. Companies should expect changes, but not a full breakdown of the agreement.
Formal review process begins March 2026
Source: Reuters (Mar 2026) – Trade negotiation timeline
Operational Explanation: The USMCA review process has officially begun, marking the start of negotiations that could redefine regional trade rules.
SEMUDMEX Practical Risk Assessment: 2026–2027 will be a transition period. Strategic positioning must begin now, not after changes are implemented.
III. Global Trade System – Structural Pressure
WTO faces reform deadlock
Source: Reuters (Mar 2026); WTO discussions
Operational Explanation: Negotiations to reform the WTO remain stalled, with increasing risk that countries pursue alternative frameworks outside the multilateral system.
SEMUDMEX Practical Risk Assessment: Global trade fragmentation risk increases. Regional agreements will gain importance over global rules.
Global trade remains large but under tension
Source: WTO, UNCTAD, IMF estimates
Operational Explanation: Global trade exceeds USD 30 trillion when goods and services are combined, with moderate growth expected (~3%). However, geopolitical and regulatory friction continues to rise.
SEMUDMEX Practical Risk Assessment: Trade is not shrinking—but it is becoming more complex, fragmented and compliance-driven.

