Vol. 1
Distribution: Clients & Partners
Navco · Customs & Trade
Trade & Logistics Weekly Brief
U.S. Customs & Trade Developments for IORs, Maquiladoras & Trade Advisors
Bottom Line for Decision-Makers
Canada’s retaliatory tariffs took effect exactly as scheduled on September 8: dollar-for-dollar counter-tariffs of 15%, 25%, and 50% on more than 700 U.S. products worth roughly C$27.6 billion, confirmed directly via Canada’s Department of Finance and CBSA Customs Notice 26-23, covering steel and aluminum (doubled to 50% to match the U.S. rate), dairy, appliances, agricultural equipment, pulp and paper, and electronics. What has changed since is the tone. After President Trump suggested over the weekend that a deal could come “fairly soon,” Prime Minister Mark Carney told Bloomberg News on September 14 — from Toronto, ahead of Canada’s first national investment summit — that the collapse of talks in August “helped clarify” Canada’s negotiating red lines, and that Canada is “ready to sit down and negotiate” a “mutually advantageous” deal respecting both countries’ sovereignty. Carney was explicit that there is “not a pride thing” about which side moves first. This does not change anything about the tariffs currently in effect, but it is a real shift from the outright collapse and mutual blame that characterized late August. Below: the full timeline, and what each reader should do about it.
Deadlines at a Glance
| Date | What happens |
|---|---|
| Aug 21 (occurred) | U.S.-Canada trade talks collapsed in Washington; each side blamed the other. |
| Aug 22 (occurred) | Section 338 50% U.S. tariff took effect on ~$20B (C$27.6B) of Canadian goods. |
| Aug 25 (occurred) | Canada announced its retaliation plan: 700+ U.S. products, 15%/25%/50%, plus a C$7.5B aid package for affected businesses and workers. |
| Sep 4 (occurred) | Canada issued the United States Surtax Order (2026), the legal instrument implementing the counter-tariffs. |
| Sep 8 (occurred) | Canada’s counter-tariffs took effect at 12:01 a.m.; CBSA Customs Notice 26-23 confirmed rates and administration. |
| Sep 14 (occurred) | PM Carney told Bloomberg Canada is ready to resume trade talks; welcomed Trump’s comments that a deal could come “fairly soon.” |
Trade Updates
Canada’s counter-tariffs took effect September 8, exactly as announced
Canada’s counter-tariffs on U.S. goods took effect at 12:01 a.m. on September 8, 2026, per the United States Surtax Order (2026) issued September 4 and confirmed in CBSA Customs Notice 26-23, issued September 7. The tariffs apply dollar-for-dollar rates of 15%, 25%, and 50% on more than 700 U.S. products worth roughly C$27.6 billion, matching the specific U.S. Section 338 rate on each corresponding Canadian good. Steel and aluminum duties doubled to 50% to directly match the U.S. rate on those products; dairy, appliances, agricultural equipment, pulp and paper, and electronics are also covered. Canada’s countermeasures do not apply to U.S. goods that were already in transit to Canada on the day the tariffs came into force.
As previously reported, Canada’s Finance Minister François-Philippe Champagne framed the response as proportionate: “For each product, our tariff will match the American tariff on the same type of Canadian good.” These countermeasures apply regardless of USMCA compliance and carry no stated expiry date. Alongside the tariffs, Canada’s earlier-announced C$7.5 billion support package for affected businesses and workers remains in place.
Sources: Department of Finance Canada (United States Surtax Order (2026), Sep 4, 2026) · CBSA Customs Notice 26-23 (Sep 7, 2026) · CNBC
One week after the tariffs took effect, Carney signals Canada is ready to return to the table
On September 14, in an interview with Bloomberg News in Toronto — ahead of Canada’s first national Investment Summit, which Carney convened to draw foreign direct investment before departing for trade talks in France — Prime Minister Mark Carney said the dramatic collapse of trade talks in August “helped clarify” Canada’s negotiating red lines: sovereignty, cultural institutions, and the ability to sign trade agreements with other countries. Asked whether it is a question of who moves first to restart negotiations, Carney said: “There’s not a pride thing from our perspective. We’re practical people that know what our bottom lines are… I think our American colleagues maybe, perhaps, understand those red lines a little more clearly now, given what’s happened. We’re ready to sit down.” The comments came after President Trump suggested over the preceding weekend that a U.S.-Canada trade deal could be reached “fairly soon.”
Carney was explicit that Canada is not slowing its efforts to diversify trade relationships with other countries even while remaining open to a U.S. deal. Nothing about the tariffs currently in effect on either side has changed as a result of these comments — there is no confirmed date for talks to resume as of this issue — but the shift in tone from the outright collapse and mutual blame of late August is real and worth tracking closely in the days ahead.
Sources: Bloomberg (Sep 14, 2026) · CNBC
Takeaway for U.S. IORs
They are in effect now. Canada’s counter-tariffs took effect at 12:01 a.m. on September 8, 2026, confirmed in CBSA Customs Notice 26-23. The tariffs cover more than 700 U.S. products across steel, aluminum, dairy, appliances, agricultural equipment, pulp and paper, and electronics, at rates of 15%, 25%, or 50% depending on the product, matching the corresponding U.S. Section 338 rate.
Not yet, and there is no confirmed date for talks to resume. Carney’s comments signal Canada is open to returning to the negotiating table, and President Trump has suggested a deal could come “fairly soon,” but as of this issue both countries’ tariffs remain fully in effect. Continue operating under current rates rather than anticipating relief.
If your supply chain runs in both directions across the U.S.-Canada border, you face two separate cost pressures at once: the inbound Section 338 duty in effect on Canadian goods, and the outbound retaliatory tariffs in effect on U.S. goods entering Canada. Model exposure on both sides, since the rates and product lists differ by direction.
Under CBP’s EO 14411 enforcement guidance, effective September 18, CBP can immediately void the IOR number associated with an inaccurate or outdated Form 5106 — which stops the ability to clear goods entirely, not just triggers a penalty. If any part of your import structure depends on a foreign IOR or related-party arrangement, verify your Form 5106 information is current now.
Takeaway for Maquiladoras & Foreign IORs
Yes, for USMCA-qualifying goods. Mexico continues to hold USMCA-linked exemptions across the tariff tracks that matter most, while Canada faces tariffs in both directions specifically because no equivalent shield applies to the Section 338 action. If your network spans both countries, do not assume Mexico’s relatively stable position extends to Canadian-origin flows — the two countries currently sit on very different regulatory tracks.
There is no indication of that as of this issue. Mexico’s situation is structurally different from Canada’s: USMCA-qualifying Mexican goods remain shielded from the major tariff tracks in effect, and there has been no equivalent breakdown in U.S.-Mexico talks. Canada’s experience is a useful cautionary data point, not a signal that Mexico is heading the same direction.
It suggests even a dramatic, mutually-blamed collapse does not necessarily close the door permanently — talks can reopen once both sides have had time to clarify their positions. For any operation planning around a similar dispute, this is a reason to build contingency plans for both continued tension and a resumption of talks, rather than assuming either outcome is fixed.
Yes. CBP’s Form 5106 accuracy requirement, enforceable starting September 18, applies to exactly the kind of foreign-IOR and related-party structures common in maquiladora operations. Confirm your Form 5106 information is accurate and current well ahead of the deadline to avoid a voided IOR number halting clearance.
Navco Trade Advisory & U.S. Customs Brokerage
Navco is a CTPAT-certified U.S. Customs broker (national permit), bonded warehouse and FTZ operator with 3PL and Fulfillment operations in Texas and partner network across the country. With Canada’s retaliation confirmed for September 8 and CBP’s Form 5106 enforcement date approaching, the levers below are where we help clients hold the line. (Commercial section — Navco advisory.)
Entity List screening & documentation support
We help clients cross-check supplier and sub-tier sourcing against the current 187-entity UFLPA list and assemble the clear-and-convincing-evidence documentation CBP requires to clear a detention — before a shipment gets held, not after.
CAPE compliance under the new warehouse-entry policy
With CAPE no longer accepting warehouse entries directly, we manage the corrected declaration-and-withdrawal sequencing needed to capture IEEPA refunds on affected entries, including those filed April 20–July 6 without a matching withdrawal.
Duty deferral through Fulfillment-from-Bond ahead of Aug 19
Stage Canadian-origin cargo in-bond ahead of the Section 338 effective date, reclassify against the covered-goods annexes, and time consumption entry deliberately. With USMCA offering no shield here, deferral and careful classification are your two real levers.
Protest filing & bond review
We preserve Section 122 refund rights for the Feb 24–Jul 24 collection period through disciplined protest filing and reconcile IEEPA claims via CAPE — while reviewing continuous-bond adequacy against the EO 14411 enforcement posture.
In-house Bonded & FTZ program design, certification, and management
Beyond our own bonded and FTZ facilities, Navco’s Trade & Logistics Advisory team reviews, designs, certifies, and manages in-bond and Foreign-Trade Zone programs directly at a client’s own location — manufacturing plants, distribution centers, retailer DCs, or 3PL warehouses. We have successfully implemented and managed these programs at client-owned sites across the country, giving importers the duty-deferral and compliance benefits of a bonded or FTZ operation without relocating inventory to a third-party facility. As EO 14411 raises the bar on bonded-custodian vetting and in-bond utilization, an audit-ready, Navco-certified in-house program is one of the most direct ways to stay ahead of the enforcement curve.
Sourcing standard. Every factual claim in this brief is sourced and dated. Sources are limited to: U.S. government (USTR, CBP, the Federal Register, Congress.gov, and other vetted agencies), Executive Orders, CBP CSMS, and analyses from named trade-law firms (Skadden, White & Case, Morrison Foerster, Diaz Trade Law, Braumiller Law, Brownstein, Holland & Knight, KPMG, Thompson Hine, and other vetted trade related firms and advisors), and Reuters, Bloomberg, CNBC, Financial Times, WSJ and other vetted news sources. Opinions, where offered, are labeled.
Disclaimer. This brief is informational and does not constitute legal advice or a customs ruling. Tariff treatment depends on facts specific to each entry. Confirm current rates, effective dates and eligibility against primary CBP and USTR sources before acting.
© 2026 Navco. Trade & Logistics Weekly Brief — issued September 16, 2026.