Briefs · Weekly brief · Week of 21 Sep 2026 · read on 23 Oct 2026

A polysilicon import ban, pharmaceutical tariff guidance, storm emergencies around the Port of New York and New Jersey.

CBP published guidance on the import ban on certain polysilicon products and on the Section 301 China conforming amendment, and the Bureau of Industry and Security set out which specialty pharmaceuticals are eligible for a zero tariff rate. On 25 September New Jersey declared a state of emergency in eight counties and New York a disaster emergency in eight counties and those contiguous, both for a coastal storm.

  1. 1 ·

    Polysilicon and Section 301 guidance

    CBP published guidance on the import ban of certain polysilicon products under Proclamation 11052 (CSMS 69994928) and on the Section 301 China conforming amendment (CSMS 69990649).

    What it touches. Polysilicon for solar and semiconductor supply chains, and goods of China under Section 301.

    CBP CSMS 69994928 · CBP CSMS 69990649 · Federal Register, document 2026-16400

  2. 2 ·

    Which specialty pharmaceuticals receive a zero rate

    The Bureau of Industry and Security published a notice that defines the pharmaceutical products and lists the jurisdictions eligible for a zero ad valorem tariff rate under Proclamation 11020, among them orphan drugs, nuclear medicines, plasma derived therapies, cell and gene therapies, medical countermeasures and animal health products.

    What it touches. Imported medicines and their ingredients.

    Federal Register, document 2026-19498

  3. 3 ·

    New Jersey: a state of emergency in eight counties

    Executive Order 25 declared a state of emergency in Atlantic, Burlington, Cape May, Cumberland, Middlesex, Monmouth, Ocean and Salem counties from 5 p.m. on 25 September, citing coastal flood and high wind warnings; Executive Order 26 ended it at 6 p.m. on 29 September.

    What it touches. Road freight and warehouses in central and southern New Jersey’s coastal counties.

    New Jersey Executive Order 25 · New Jersey Executive Order 26

  4. 4 ·

    New York: a disaster emergency around the city

    Executive Order 63 declared a state disaster emergency for Bronx, Kings, Nassau, New York, Queens, Richmond, Suffolk and Westchester counties and contiguous counties for a Nor’easter, in effect through 25 October, and states that the declaration satisfies the requirements of 49 CFR 390.23(b).

    What it touches. The New York side of the port and the motor carriers that serve it, under the federal emergency relief rule for carriers.

    New York Executive Order 63

  5. 5 ·

    Twelve vulnerabilities added to the KEV catalog

    CISA added twelve vulnerabilities from 21 to 27 September, among them flaws in network switches (CVE-2026-7273), an SD-WAN orchestrator (CVE-2026-93952), application delivery and remote access appliances (CVE-2026-94127, CVE-2026-88772 and CVE-2026-88771) and two in network security products (CVE-2026-93616 and CVE-2026-85102).

    What it touches. The network edge of distribution sites: switches, WAN links, remote access and firewalls.

    CISA KEV, CVE-2026-94127 · CISA KEV, CVE-2026-88772 · CISA KEV, CVE-2026-93616

Read from the public record on 23 October 2026; signed BSJ Ventures.

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