U.S. note 43(c)
(c) Headings 9903.08.21–9903.08.26 apply to articles described below and provided for in the following HTSUS numbers:
(1) Unmanned aircraft, docking stations for unmanned aircraft or parts for such docking stations: 8504.40.9580 8537.10.9170 8806.24.00 8806.29.00 8806.94.00 8806.99.00 null null
(2) Parts or components for use in or with an unmanned aircraft system with a maximum take-off weight of more than 25 kg, except those for systems for retail delivery use, agricultural use, or sale to the Department of War: 8807.10.00 8807.20.00 8807.30.00 8807.90.90
(3) Unmanned aircraft with thermal imaging: 8806.21.00 8806.22.00 8806.23.00 8806.91.00 8806.92.00 8806.93.00 null null
(4) Unmanned aircraft without thermal imaging: 8806.21.00 8806.22.00 8806.23.00 8806.91.00 8806.92.00 8806.93.00 null null