CBP Sets September 14 Deadline for Copper Smelt Data

CBP Will Start Rejecting Copper Import Entries Missing Smelt and Cast Country Data on Sept. 14.

CBP issued CSMS #69711865 on August 31, confirming that entry summaries for specified copper wire and cable classifications will trigger a fatal error, not a warning, if smelt and cast country data is missing from ACE starting September 14, 2026. Why it matters: Importers of these copper products need their customs brokers reporting this data now. A rejected entry summary after Sept. 14 stops the shipment at the border, not just the paperwork. Source: CBP CSMS, content.govdelivery.com/bulletins/gd/USDHSCBP-427b7f9?wgt_ref=USDHSCBP_WIDGET_2 (2026-08-31)

China Reimposes 2% Consumption Tax on Lithium Batteries After 11-Year Exemption, Doubling in 2027.

China restored a 2% tax on lithium-ion cells, packs, and clusters effective September 1, 2026, rising to the statutory 4% rate on September 1, 2027. Sodium-ion, solid-state cells, and fuel cells remain exempt through the end of 2028. Why it matters: US manufacturers sourcing lithium-ion cells from China for EVs, storage, or electronics now carry an embedded cost that grows on a fixed schedule. Sourcing teams comparing cell chemistries should factor the 2027 doubling into multi-year contracts now. Source: pv magazine Global, www.pv-magazine.com/2026/09/01/china-restores-2-lithium-ion-battery-tax-after-11-year-exemption/ (2026-09-01)

US Manufacturing PMI Slips to 54.6% in August as New Orders Cool and Prices Stay Elevated.

ISM's August report shows the New Orders Index down 3.0 points to 53.7% from July's 56.7%, while the Prices Index held flat at 71.1% for a second straight month. Why it matters: Softer order books and stubborn input costs at the same time squeeze margins from both directions. Procurement teams should not expect price relief to offset a slower order pipeline. Source: ISM via PR Newswire, www.prnewswire.com/news-releases/manufacturing-pmi-at-54-6-august-2026-ism-manufacturing-pmi-report-302865127.html (2026-09-01)

US Drone Makers Still Depend on Chinese Motor Magnets and Battery Inputs Despite New 100% Tariff.

SAN reports the new tariff, 100% on Chinese drones 55 pounds or heavier or with thermal imaging, 25% on smaller models, did not remove the underlying component dependency. China controls at least 90% of global rare-earth magnet production used in drone motors, and China and Chile together account for roughly 90% of refined lithium feeding battery cells. Onshoring motor and battery production could raise US-assembled drone costs 100% to 400%. Why it matters: Our read: the tariff makes finished imports less attractive but does not solve the component sourcing problem. US drone assemblers still need a magnet and cell supply chain that mostly doesn't exist domestically yet. Source: SAN, san.com/cc/new-tariffs-target-chinese-drones-but-us-makers-still-need-their-parts/ (2026-09-03)

Micron's Taiwan Unions Demand a Bonus Worth 83 Months' Salary, Strike Vote Could Come This Month.

Unions representing about 10,000 workers at Micron's Taoyuan and Taichung sites are pushing for the one-off bonus, with a strike vote possible this month if mediation fails. A majority of Micron's DRAM output in fiscal 2025 came from its Taiwan fabs, and Taiwan holds about $19 billion of Micron's long-lived assets, more than any other country. Why it matters: A strike at these sites would tighten memory chip supply for any manufacturer building electronics or equipment that depends on DRAM. Source: The Motley Fool, www.fool.com/investing/2026/09/02/micron-s-taiwan-unions-are-asking-for-a-bonus-worth-83-months-of-pay-a-strike-vote-could-come-this-month/ (2026-09-02)

Trade compliance, input costs, and supply concentration are all tightening at once. Manufacturers face a hard compliance deadline on copper documentation, a new and rising tax on battery inputs, flat-to-worse pricing pressure per the ISM data, and two separate single-region supply risks, Chinese magnets and lithium, and Taiwanese DRAM, that a tariff or a labor dispute could disrupt with little warning.

If you import copper wire or cable under the classifications named in CSMS #69711865, don't wait until September 14 to find out if your broker has smelt and cast country data on file. Pull your last three copper entry summaries this week and check whether that field was populated or left blank. If it was blank, your supplier or broker needs it before the deadline, not after a rejected entry stops product at the port. This is a one-time, mechanical fix: get the data field into your ACE filing workflow now, verify it against your actual bill of materials by product line, and confirm your broker has a repeatable process for it going forward. The cost of skipping this is a stopped entry with no fallback, not a warning letter. Pair that check with a second one: if your BOM includes lithium-ion cells sourced from China, ask your supplier for the effective date the 2% consumption tax lands on your invoice, since that cost is new as of September 1 and won't show up until your next shipment lands.

No sourced quote was selected for this issue. None of this week's five stories included a named, attributed quote from a manufacturer or plant-level source.

Audit your last three copper import entry summaries this week and confirm smelt and cast country data is on file with your broker before the September 14 ACE deadline.

If tariff and compliance whiplash like this is a recurring headache for your sourcing team, we cover how manufacturers are adjusting procurement playbooks on the Lead Megaphone podcast. Check the latest episode at leadmegaphone.com.