CSMS Weekly Digest: Oct 17 - Oct 23, 2026
ACE will begin accepting an additional Section 301 China product exclusion conforming amendment as of 6 pm on October 23, 2026 (CSMS #70261629, updating CSMS #69990649). CBP also published three quota bulletins covering 2027 fine denier polyester staple fiber under TIB, 2027 quartz surface products, and 2026 beef Tranche 3. Plan around ACE Production maintenance overnight October 24-25.
Action Required(4)
Prepare filings for the additional Section 301 China exclusion conforming amendment, which ACE accepts as of 6 pm on October 23, 2026 (CSMS #70261629), and review the new quota bulletins for PSF under TIB (26-412), quartz surface products Q2 (26-601), and beef Tranche 3 (26-232). See each CSMS number for filing instructions and quota details.
Message Title: UPDATED GUIDANCE: Section 301 China Conforming Amendment
This message updates CSMS #69990649 [ https://content.govdelivery.com/accounts/USDHSCBP/bulletins/42bf8f9 ] to provide guidance regarding an additional conforming amendment to Section 301 China produc...
Quota Bulletin 26-412 2027 Fine Denier Polyester Staple Fiber Temporary Importation Under Bond (TIB) Absolute Quota
Quota Bulletin 26-412 2027 Fine Denier Polyester Staple Fiber Temporary Importation Under Bond (TIB) Absolute Quota has been published on our webpage at the following link. Quota Bulletin 26-412 2027...
Quota Bulletin 26-601 2027 Quartz Surface Products Second Quarter
Quota Bulletin 26-601 2027 Quartz Surface Products Second Quarter has been published on our webpage at the following link: Quota Bulletin 26-601 2027 Quartz Surface Products Second Quarter [ https://...
Quota Bulletin 26-232 2026 Further Ensuring Affordable Beef Tranche 3
Quota Bulletin 26-232 2026. Further Ensuring Affordable Beef Tranche 3 has been published on our webpage at the following link: Quota Bulletin 26-232 2026 Further Ensuring Affordable Beef for the Ame...
Policy Guidance(1)
CSMS #70261629 updates CSMS #69990649 with guidance on an additional conforming amendment to Section 301 China product exclusions, following USTR Federal Register notices of September 2 and October 7, 2026. ACE acceptance is effective as of 6 pm on October 23, 2026. Consult the CSMS for the affected exclusions and filing requirements.
Quota(3)
Quota Bulletin 26-412 sets the 2027 TIB absolute quota for fine denier PSF (Chapter 55 goods entered under Chapter 98), with the quota period starting November 23, 2026. Bulletin 26-601 covers the second quarter of the 2027 quartz surface products quota (Chapters 68 and 70, Chapter 99 Additional U.S. Note 41), and Bulletin 26-232 covers 2026 beef Tranche 3 (Chapter 2, AUSN 3) under the Further Ensuring Affordable Beef proclamation. See CSMS #70253915, #70241036, and #70240656 for quantities and terms.
Quota Bulletin 26-412 2027 Fine Denier Polyester Staple Fiber Temporary Importation Under Bond (TIB) Absolute Quota
Quota Bulletin 26-412 2027 Fine Denier Polyester Staple Fiber Temporary Importation Under Bond (TIB) Absolute Quota has been published on our webpage at the following link. Quota Bulletin 26-412 2027...
Quota Bulletin 26-601 2027 Quartz Surface Products Second Quarter
Quota Bulletin 26-601 2027 Quartz Surface Products Second Quarter has been published on our webpage at the following link: Quota Bulletin 26-601 2027 Quartz Surface Products Second Quarter [ https://...
Quota Bulletin 26-232 2026 Further Ensuring Affordable Beef Tranche 3
Quota Bulletin 26-232 2026. Further Ensuring Affordable Beef Tranche 3 has been published on our webpage at the following link: Quota Bulletin 26-232 2026 Further Ensuring Affordable Beef for the Ame...
Enforcement(1)
CBP will hold a free webinar on the updated UFLPA Enforcement Statistics Dashboard on Wednesday, October 28, 2026, at 1:00 p.m. ET. Registrants receive the access link the day before; see CSMS #70251118 for registration and entry details.
System Maintenance(3)
ACE Production standard invasive maintenance runs from 10:00 p.m. ET Saturday, October 24 to 4:00 a.m. ET Sunday, October 25, 2026, and ACE Certification has an extended invasive window on October 21, 2026, from 5:00 to 9:00 pm ET. CBP has resolved the delays in outbound notifications for air, ocean, and rail manifest and in-bond; direct related questions to your CBP Client Representative.
ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, Oct 24th, 2026 to 4:00 a.m. ET Sunday, Oct 25th, 2026
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ACE Certification Extended Invasive Maintenance Window on October 21, 2026, from 5:00 pm to 9:00 pm ET.
Please be advised there will be an ACE Certification Extended Invasive Maintenance Window on October 21, 2026, from 5:00 pm to 9:00 pm ET.
RESOLVED: Delays in outbound notifications for Air, Ocean, and Rail Manifest, and In-Bond
U.S. Customs and Border Protection (CBP) has resolved the delay issues for outbound notifications for Air Manifest, Ocean Manifest, Rail Manifest, and In-Bond. For related questions, contact your CBP ...