| 9801.00.30 | 00 | Any aircraft engine or propeller, or any part or accessory of either, previously imported, with respect to which the duty was paid upon such previous importation, if (1) reimported without having been advanced in value or improved in condition by any process of manufacture or other means while abroad, after having been exported under loan, lease or rent to an aircraft owner or operator as a temporary replacement for an aircraft engine being overhauled, repaired, rebuilt or reconditioned in the United States, and (2) reimported by or for the account of the person who exported it from the United States | X | Free | | Free |
| 9804.00.40 | | Not exceeding $200 in value of articles (including not more than 4 liters of alcoholic beverages) accompanying such a person who is in transit to a place outside United States customs territory and who will take the articles with him to such place | | Free | | Free |
| 9804.00.75 | | Any article imported to replace a like article of comparable value previously exempted from duty under subheading 9804.00.70, if the article previously exempted shall have been exported, under such supervision as the Secretary may prescribe, within 60 days after its importation because it was found by the importer to be unsatisfactory | | Free | | Free |
| 9808.00.80 | 00 | Articles for the National Aeronautics and Space Administration and articles imported to implement international programs between the National Aeronautics and Space Administration and foreign entities, including launch services agreements: | | | | |
| 9808.00.80 | 00 | Goods certified by it to the Commissioner of Customs to be imported for the use of the National Aeronautics and Space Administration or for the implementation of an international program of the National Aeronautics and Space Administration, including articles to be launched into space and parts thereof, ground support equipment and uniquely associated equipment for use in connection with an international program of the National Aeronautics and Space Administration, including launch services agreements | | Free | | Free |
| 9813.00.35 | | Automobiles, motorcycles, bicycles, airplanes, airships, balloons, boats, racing shells and similar vehicles and craft, and the usual equipment of the foregoing; all the foregoing which are brought temporarily into the United States by nonresidents for the purpose of taking part in races or other specific contests | | 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 |
| 9815.00.20 | 00 | Products of American fisheries (including fish, shellfish and other marine animals, spermaceti and marine animal oils), which have not been landed in a foreign country, or which, if so landed, have been landed solely for transshipment without change in condition | kg | Free | | Free |
| 9817.00.90 | 80 | Other Articles specially designed or adapted for the use or benefit of the blind or other physically or mentally handicapped persons; parts and accessories (except parts and accessories of braces and artificial limb prosthetics) that are specially designed or adapted for use in the foregoing articles: | | | | |
