| 9810.00.45 | 00 | Regalia | X | Free | | Free |
| 9810.00.80 | 00 | Apparatus utilizing any radioactive substance in medical diagnosis or therapeutic treatment, including the radioactive material itself when contained in the apparatus as an integral element thereof, and parts or accessories of any of the foregoing | X | Free | | Free |
| 9813.00.30 | | Articles intended solely for testing, experimental or review purposes, including specifications, photographs and similar articles for use in connection with experiments or for study | | Free, under bond, as prescribed in U.S. note 1 to this subchapter | Free (AU,BH,CA, CL,IL,JO,MA, MX,P,SG) | Free, under bond, as prescribed in U.S. note 1 to this subchapter |
| 9813.00.40 | | Locomotives and other railroad equipment brought temporarily into the United States for use in clearing obstructions, fighting fires or making emergency repairs on railroads within the United States, or for use in transportation otherwise than in international traffic when the Secretary of the Treasury finds that the temporary use of foreign railroad equipment is necessary to meet an emergency | | Free, under bond, as prescribed in U.S. note 1 to this subchapter | Free (AU,BH,CA, CL,IL,JO,MA, MX,P,SG) | Free, under bond, as prescribed in U.S. note 1 to this subchapter |
| 9817.00.20 | 00 | Monofilament gill nets to be used for fish sampling | X | Free | | Free |
| 9817.00.30 | 00 | To be used in taking wild birds under license issued by an appropriate Federal or State governmental authority | X | Free | | Free |
| 9817.00.48 | 00 | Patterns and wall charts; globes; mock-ups or visualizations of abstract concepts such as molecular structures or mathematical formulae; materials for programmed instruction; and kits containing printed materials and audio materials or any combination of two or more of the foregoing | X | Free | | Free |
| 9817.00.94 | | Braille tablets, cubarithms, and special apparatus, machines, presses, and types for their use or benefit exclusively | | Free | | Free |
| 9817.64.01 | | Footwear, other than goods of heading 9021, of a kind for supporting or holding the foot following an illness, operation or injury, provided that such footwear is (1) made to measure and (2) presented singly and not in pairs and designed to fit either foot equally | | Free | | The rate applicable in the absence of this heading |
| 9818.00.03 | 00 | Spare repair parts or materials (other than nets or nettings) which the owner or master of a vessel certifies are intended for use aboard a cargo vessel, for installation or use on such vessel, as needed, in the United States, at sea, or in a foreign country, but only if duty is or has been paid under this schedule upon first entry into the United States of each such spare part or material purchased in, or imported from, a foreign country | X | Free | | 50 percent of the cost of such parts or materials |
| 9818.00.05 | 00 | Spare parts necessarily installed before first entry into the United States, upon first entry into the United States of each such spare part purchased in, or imported from, a foreign country | | The rate applicable in the absence of this subheading on the cost of such parts | Free (BH,C,CA,E, IL,J,JO,MA, MX,P) The rate applicable in the absence of this subheading on the cost of such parts (AU,CL,SG) | 50 percent of the cost of such parts |
