USMCA Round 2 Opens May 25: The 4 US Demands That Will Hit Your Cross-Border Operations
The first formal bilateral negotiating round of the USMCA 2026 joint review opens the week of May 25 in Mexico City. The United States has put 52 demands on the table. Mexico has put forward 12. That asymmetry is the story.
Behind it is a harder fact: nobody is signing a 16-year extension by July 1. Under Article 34.7 of the agreement, the three parties must meet at the deadline and either unanimously extend USMCA through 2042 or enter a mandatory annual review cycle that runs for up to ten years before the pact expires. Mexico's Economy Minister Marcelo Ebrard and the office of US Trade Representative Jamieson Greer have both signaled that the second path — annual reviews — is the realistic outcome (Mexico Business News).
What this means for anyone moving goods across the US-Mexico border: the rulebook you operate under in June will not be the rulebook you operate under in December. We have spent 122 years at this border. We have cleared more than 190,000 customs operations per year across 39+ ports with a 99.8% accuracy rate. We have lived through every renegotiation that touched this corridor, from the Maquiladora program in 1965 to NAFTA in 1994 to USMCA in 2020. What is coming is not a renegotiation. It is something operationally heavier: a decade of small, continuous changes that will compound across pedimentos, certificates of origin, and audit cycles.
Out of the 52 US demands, four will hit cross-border operations the hardest. Here is what we are watching and what we are advising our clients to start doing now.
The 4 US demands that matter operationally
The USTR has not published the 52-item list in numbered form. The substance, however, has been telegraphed across hearings, agenda letters, and public statements from Greer's office. The four with direct operational consequence — the ones that change how you classify, certify, or document a shipment — are:
1️⃣ Strengthened rules of origin, especially in automotive
2️⃣ Tighter steel and aluminum sourcing and anti-transshipment provisions
3️⃣ Audit-grade labor compliance verification under Annex 23-A and Chapter 31's Rapid Response Mechanism
4️⃣ A modernized digital trade chapter
The other 48 matter politically and at the level of macro trade policy. These four matter at the level of your shipment file. They are also the four most likely to land first, because each has constituency pressure inside the US Trade Representative's hearing record (Holland & Knight).
Rules of origin tightening: what "strengthened" could mean for automotive
USMCA already carries the strictest automotive rules of origin of any major trade agreement: 75% regional value content (RVC), 70% steel and aluminum sourcing requirement, and a labor value content threshold that requires a share of production to be made at facilities paying at least $16 USD per hour (Congressional Research Service).
Greer's office has signaled it wants more. The 2026 Trade Policy Agenda flags "reinforced rules of origin in strategic sectors and enforceable provisions against transshipment and production offshoring" as a core review objective (USTR 2026 Trade Policy Agenda). In parallel, the US International Trade Commission has opened its third factfinding investigation into the economic impact of the automotive rules of origin, with a 2027 report due (USITC press release).
What this looks like at the operational level, if any of the proposed tightenings land. An RVC threshold above 75% — even by three or five percentage points — pushes Tier 2 and Tier 3 suppliers below qualification, and programs that have been "compliant on paper" through aggressive roll-up calculations get audited harder. The 2022 dispute panel ruling against the US on the "roll-up" methodology for core auto parts remains unimplemented; a renegotiated chapter could codify the US position and effectively narrow how core parts qualify (Atlantic Council). And new definitions of "transshipment" could pull non-NAFTA inputs into closer scrutiny — particularly Chinese-origin components that today enter Mexico under PROSEC or IMMEX and get incorporated into vehicles destined for the US.
The operational read: every certificate of origin issued under USMCA in 2026 needs a paper trail that would survive a 2027 audit under rules that do not exist yet. That means tracking your bill of materials at a deeper level than your current process probably requires.
Steel and aluminum quotas: the transshipment crackdown
The most aggressive single line of attack in the 2025 USTR hearing record came from US steel and aluminum stakeholders. Their argument, repeated by United Steelworkers and the Alliance for American Manufacturing, is that Chinese overcapacity is being routed through Mexico into the US under USMCA preferences (Alliance for American Manufacturing).
Two operational shifts are already being prepared:
A tighter melt-and-pour requirement that traces steel back to the country where it was originally smelted, not just where it was finished. This is already partially in force for Section 232 exclusions; what is being negotiated would extend a similar standard into USMCA preferential treatment.
A quota framework — likely tariff-rate quotas with snapback provisions — that caps the volume of Mexican-origin steel and aluminum entering the US duty-free in any given year. Volumes above the quota would face Section 232 tariffs.
For importers and IMMEX operators in steel-adjacent sectors (automotive bodies, construction, electrical conductors, white goods), this means two things. First, the documentation burden moves upstream: you will need to demand and store melt-and-pour certifications from your suppliers, not just regional value certificates. Second, the cost predictability of USMCA preferential treatment erodes — a finished good that qualified for duty-free entry in March may not qualify in November if a quota fills.
This is not theoretical. Steel and aluminum are operationally the most enforcement-active categories at the US-Mexico border. We see this every week in our Laredo and Nogales operations.
If your landed cost model still treats USMCA as a binary "qualifies / doesn't qualify" lever, it is already out of date. Our team has built a free tariff and tariff-impact tool at tariff.joffroy.com that lets you model how quota and origin-rule changes would hit your specific HTS codes. We update it as the negotiations move.
Labor compliance verification: Annex 23-A becomes audit-grade
Chapter 23 of USMCA and its Annex 23-A obligate Mexico to maintain labor laws that guarantee free association and collective bargaining, and to subject collective bargaining agreements to independent verification (US Department of Labor). Chapter 31's Annex A — the Facility-Specific Rapid Response Labor Mechanism (RRLM) — gives the US a fast-track tool to challenge denials of those rights at specific facilities, with tariff suspension and denial-of-entry as available remedies (USTR Chapter 31 Annex A).
In the 2026 review, three changes are being pushed:
Faster case resolution. The current average is 106 days from petition to determination. US labor groups and several members of Congress are pressing for that to drop to 60 days or less.
Broader sector coverage. Today, RRLM cases apply primarily to manufacturing facilities producing priority goods. The US is asking for explicit expansion into mining and agriculture — sectors with operations across northern Mexico that have so far been outside the mechanism. The Orla Mining "Minera Camino Rojo" case in March 2026, where a panel found a "severe" denial of rights, is a preview of what broader coverage would look like in practice (USTR press release).
More US labor attachés in Mexico City and at consular posts, which translates operationally into more on-the-ground intake of complaints.
For a CFO or trade director, this changes the risk profile of every Mexican manufacturing supplier in your tier-N base. A successful RRLM case against a single supplier facility can suspend USMCA benefits on goods coming out of that facility within weeks. The compliance question stops being "does our own facility pass an audit?" and becomes "can we document that every supplier facility in our origin calculation would pass one?"
Digital trade: Chapter 19 catches up to 2026
USMCA's Chapter 19 on Digital Trade was, at signing, the most forward-leaning digital chapter of any US trade agreement. Six years later, it is the chapter that has aged the fastest. Cross-border data flows, source code protection, and digital services market access have all been actively contested since 2020 — by US tax positions on digital services, by Mexico's evolving data protection framework, and by AI and platform regulations that did not exist when the chapter was drafted (Baker Institute).
There are three operational threads worth tracking, even though digital trade can feel adjacent to physical shipment work.
The first is electronic customs documentation. The Ventanilla Única (VUCEM) on the Mexican side and CBP's ACE system on the US side already exchange data. A modernized Chapter 19 is likely to formalize interoperability standards, which is good news for clearance speed and bad news for any operation that still relies on paper or PDF-only document flows.
The second is AI in trade administration. Both governments are deploying classification AI and risk-scoring engines. A revised Chapter 19 may set rules for how those tools can be used, audited, and contested. Expect more standardized appeal procedures and shorter clearance windows for low-risk shipments.
The third is data localization in adjacent sectors. If Mexico moves toward stricter data localization for cloud and fintech (a discussion already underway at the Senate level) and the US contests this through Chapter 19, importers of digital services or technology hardware should expect downstream effects in licensing and procurement.
This chapter will not change your tomorrow. It will change your 2027.
What companies should be doing in the next 30 days
The negotiations move slowly in public and faster than expected behind closed doors. Companies that wait for July 1 to react will spend Q3 and Q4 catching up. Companies that move now have a window.
Three operational moves we are advising our clients to make this month:
1️⃣ Audit your USMCA certificates of origin for the top 20 HTS codes you import or export. Not a desk audit. Pull the bill of materials, walk the supplier chain back two tiers, and document the regional value content calculation with the supporting purchase records. If a tightened rule of origin comes into force in 2027, the certificates you are issuing in 2026 are the ones that will be audited.
2️⃣ Inventory your steel and aluminum exposure end-to-end. For every HTS code that contains steel or aluminum content, document the melt-and-pour country, not just the country of last substantial transformation. Set up the data flow now — your suppliers will resist it, and you need three to six months to operationalize the request.
3️⃣ Map your supplier labor risk. For any Mexican manufacturing facility in your origin calculation, document that the facility has a verified collective bargaining agreement under the Mexican labor reform, that worker votes on the CBA are on file, and that there is no open complaint at the facility. The RRLM moves in weeks, not quarters.
We help clients run all three of these audits. If you want a structured 30-day readiness review against the four demand lines, talk to a Joffroy expert.
What this looks like at Joffroy
We hold three Mexican Patentes Nacionales — Monterrey, Nogales, Manzanillo — and a US Corporate Customs Brokerage License. We operate across 39+ ports between the two countries. The 190,000+ operations we clear each year touch most of the HTS chapters that the 52 US demands will eventually reshape.
That posture is why the 2026 review is not a headline for us. It is a working file. We have a regulatory intelligence stream that monitors DOF, SAT, USTR, CBP, and the Federal Register every business day. We translate proposed rule changes into operational impact for our clients before they hit the trade press. We have lived this corridor for 122+ years, and we have built the institutional muscle to absorb continuous change without passing the friction back to our clients.
The companies that will come out of the next ten years of annual reviews stronger are the ones who treat their customs operation as a strategic system, not a vendor line. Documentation depth, supplier visibility, and a regulatory partner who reads the rulebook in primary sources are no longer optional.



