Cross-Border Intelligence Brief — Week of 7 September 2026

Lead Signal

US Customs Wants Your Export Filing

Affects you if: you ship instruments, sensors or electronics to US customers and a freight forwarder files your Swiss or EU export declaration on your behalf.

On 2 September 2026 the US border agency that clears imports (CBP) opened a consultation on amending its regulations to get more visibility into the supply chains behind imported goods. The proposals include new requirements to identify the parties in an importation, technical solutions for tracing supply chains, and collection of the foreign export documentation that exporters file with their own customs authority before shipping to the US (Source).

CBP says the aim is to detect and stop illicit importations, especially goods transshipped to evade US customs and trade laws (Source).

Translation: A document nobody in your building has read becomes a US customs record. Whatever your forwarder entered — commodity code, origin, declared value, consignee — becomes checkable against what your US customer declares on entry, and mismatches that sat harmlessly in an archive for years become documented discrepancies.

Do this yourself: Ask your forwarder for copies of the export declarations filed on your last three US-bound shipments. Compare commodity code, origin, value and consignee line by line against your invoice and packing list.

Get help if: you cannot get the declarations at all, or the origin your forwarder declared does not match the origin your US customer shows on their import entry.

Signals

Iran Net Widens For Non-US Sellers

Affects you if: you sell through a distributor, agent or repair partner in the Gulf, Türkiye or Hong Kong, or you have any end user you cannot name on paper.

On 24 August 2026 the US Treasury’s sanctions office (OFAC) announced “Operation Economic Outcast”, expanding the categories of Iran-related conduct that can expose non-US persons to secondary sanctions (Source). Further Iran-related designations followed on 4 September, alongside a new Iran-related general licence (Source).

Secondary sanctions reach a European company with no US subsidiary and no US dollars. The penalty is loss of banking and US market access, not a fine, and the realistic exposure for a small manufacturer is a reseller two steps down the chain.

Do this yourself: Pull your last 24 months of sales. List every consignee, forwarder and paying bank, then run each name through OFAC’s free sanctions list search — no account, no software.

Get help if: a name you depend on appears in Iran-related reporting, or you find shipments where the end user was never recorded.

Drone Tariffs Live, 15% Cap Conditional

Affects you if: you build drones, drone subassemblies, thermal-imaging payloads or docking stations for US customers, or you buy those parts into a European product sold into the US.

Following our 24 August coverage, most of the new US Section 232 tariffs on drones and drone components took effect on 3 September 2026 (Source). A 100% duty applies generally to drones over 25 kilograms, drones with thermal imaging, docking stations and certain designated components. Other categories face 25%.

EU, Swiss and Liechtenstein products may qualify for a rate no higher than 15%, and UK products no higher than 10% — but eligibility turns on certification about the origin of critical technology and components. Duties on certain components and smaller drones do not start until 9 February 2027 (Source).

Do this yourself: Email your US customer or their broker. Ask which tariff rate was applied to your first entry after 3 September, and whether the preferential cap was claimed.

Get help if: your motors, cameras or flight controllers are Chinese-origin and you hold no supplier documents proving component origin.

US Investment Screener Chases Unfiled Deals

Affects you if: you have a US subsidiary or US-based assets, a non-US investor has taken a stake in your business, or you bought a small US company and filed nothing with any US agency.

The US interagency body that screens foreign investment on national-security grounds (CFIUS) published its 2025 report on 7 August 2026: 347 covered transactions, of which 166 involved acquisitions of US critical-technology companies. Requests to convert short-form declarations into full notices more than doubled — 36 in 2025 against 17 in 2024 — and CFIUS investigated 90 non-notified transactions and requested filings in 9 (Source).

Sensor, photonics and robotics businesses sit inside “critical technology”. A deal closed without a filing is not finished as far as this committee is concerned.

Do this yourself: Write a one-page list of every US-linked deal from the last three years — US subsidiary set up, US assets bought, funding round with a non-EU investor — and note beside each whether anything was filed with a US agency.

Get help if: a funding round or acquisition touching US assets closed in the last three years without a filing, or a new investor is asking for a board seat or access to design files.

Corridor Note

Affects you if: you air-freight instrument crates to Asia or the Gulf, or your consignments route over Middle Eastern or Russian airspace.

This week’s air picture: renewed US–Iran escalation affecting the Strait of Hormuz, shipping returning via Suez, berthing disruption at Shanghai and Ningbo, falling Asia–Europe air freight capacity after the EU’s de minimis changes, rising rates, and growing concern over Russian and Middle Eastern airspace (Source). Separately, a 767 freighter operated by 21 Air on an Amazon Prime Air service overran the runway at Miami on Sunday, killing five people; Miami cargo operations were running broadly normally less than 24 hours later (Source). When space out of Europe tightens, dangerous-goods consignments — lithium cells, pressurised or sealed assemblies — get offloaded first, because they need specific aircraft and specific handling. Airspace avoidance adds sectors and transit time on Gulf and Asia routings.

Do this yourself:

Ask your forwarder in writing which carrier and routing your next Gulf- or Asia-bound consignment is booked on, and whether it overflies Iranian or Russian airspace.
Check the dangerous-goods declaration on your next battery-bearing crate is signed by someone still employed and still in certification currency.
For any consignment with a contractual delivery date inside six weeks, ask whether space is confirmed or waitlisted.

Get help if: you have a fixed delivery date backed by a penalty clause and your only remaining routing crosses airspace your carrier or insurer has excluded.

Regime Watch

UK fines a London bank branch: The UK Treasury unit that penalises financial-sanctions breaches (OFSI) published a monetary penalty notice against Citibank N.A., London Branch on 2 September for a breach of financial sanctions — expect slower bank queries on payments tied to controlled goods. (Source)
US arms-export rules ease on aircraft survivability kit: The State Department office that licenses defence exports (DDTC) issued an interim final rule on 28 August relaxing controls on civil aircraft modified with survivability equipment, and taking certain reexports and temporary imports of that equipment out of authorisation requirements. (Source)
Venezuela authorisations widen, US-law clause dropped: OFAC issued General Licences 51D, 54C and 55A on 2 September, substituting “coal or minerals” for “minerals”, and on 27 August removed the requirement that authorised contracts with the Venezuelan government be governed by US state law — dispute resolution must still sit in the US, UK, France or Singapore. (Source)

If you ship drones, thermal-imaging payloads or drone subassemblies to US customers and cannot document where your motors, cameras and flight controllers were made, talk to us before your next US-bound consignment ships. The 15% cap turns on that certification; the alternative is 100%.

FlowSpex — your export department.