Foreign-Trade Zone (FTZ) 81, Notification of Proposed Production Activity; SubCom, LLC; (Undersea Fiber-Optic Cables and Repeaters); Newington, New Hampshire

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Commerce Foreign-Trade Zones Board [B-46-2025] SubCom, LLC submitted a notification of proposed production activity to the FTZ Board (the Board) for its facility in Newington, New Hampshire within FTZ 81. The notification conforming to the requirements of the Board's regulations ( 15 CFR 400.22 ) was received on November 20, 2025. Pursuant to 15 CFR 400.14(b) , FTZ production activity would be limited to the specific foreign-status material(s)/component(s) and specific finished product(s) described in the submitted notification (summarized below) and subsequently authorized by the Board. The benefits that may stem from conducting production activity under FTZ procedures are explained in the background section of the Board's website—accessible via www.trade.gov/​ftz . The proposed finished products include undersea fiber-optic cables and undersea repeaters (duty rates are duty-free). The proposed foreign-status materials/components include: fiber optic components (couplers; pigtails with boot adapter; pigtails with boot gimbal; jumper cables; connectors; connectors with boot; optical components (isolators; thin film filters; switches; circulators; filters; amplifier modules); high-reliability continuous pump lasers; plug attenuators; cooling fans; control card printed circuit boards; fiber adapters; subsea high-voltage power supplies; photodiode sensors; steel components (wire armoring; high strength wire); conductive copper tape; aluminum wires; stai…