| 9801.00.20 | 00 | Articles, previously imported, with respect to which the duty was paid upon such previous importation or which were previously free of duty pursuant to the Caribbean Basin Economic Recovery Act or Title V of the Trade Act of 1974, 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 lease or similar use agreements, and (2) reimported by or for the account of the person who imported it into, and exported it from, the United States | X | Free | | Free |
| 9801.00.25 | 00 | Articles, previously imported, with respect to which the duty was paid upon such previous importation if (1) exported within three years after the date of such previous importation, (2) reimported without having been advanced in value or improved in condition by any process of manufacture or other means while abroad, (3) reimported for the reason that such articles do not conform to sample or specifications, and (4) reimported by or for the account of the person who imported them into, and exported them from, the United States | X | Free | | Free |
| 9801.00.26 | 00 | Articles, previously imported, with respect to which the duty was paid upon such previous importation, if: (1) exported within 3 years after the date of such previous importation; (2) sold for exportation and exported to individuals for personal use; (3) reimported without having been advanced in value or improved in condition by any process of manufacture or other means while abroad; (4) reimported as personal returns from those individuals, whether or not consolidated with other personal returns prior to reimportation; and (5) reimported by or for the account of the person who exported them from the United States within 1 year of such exportation | X | Free | | Free |
| 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 |
| 9801.00.85 | 00 | Professional books, implements, instruments, and tools of trade, occupation, or employment, when returned to the United States after having been exported for use temporarily abroad, if imported by or for the account of the person who exported such items | X | Free | | Free |
| 9804.00.10 | | Professional books, implements, instruments and tools of trade, occupation or employment, which have been taken abroad by him or for his account | | Free | | Free |
| 9804.00.15 | | Professional books, implements, instruments and tools of trade, occupation or employment (not including theatrical scenery, properties or apparel, and not including articles for use in any manufacturing establishment, for any other person or for sale), owned and used by him abroad | | Free | | Free |
| 9804.00.50 | | Articles of metal (including medals, trophies and prizes), bestowed upon him abroad, as honorary distinctions, by foreign countries or citizens of foreign countries | | 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 |
| 9805.00.50 | | The personal and household effects (with such limitation on the importation of alcoholic beverages and tobacco products as the Secretary of the Treasury may prescribe) of any person in the service of the United States who returns to the United States upon the termination of assignment to extended duty (as defined in regulations issued in connection with this provision) at a post or station outside the customs territory of the United States, or of returning members of his family who have resided with him at such post or station, or of any person evacuated to the United States under Government orders or instructions | | Free | | Free |
| 9806.00.05 | | Upon the request of the Department of State, ambassadors, ministers, charge d'affaires, secretaries, counselors, attaches and other representatives, officers and employees of foreign governments, accredited to the United States or en route to or from other countries to which accredited, and their immediate families, suites and servants | | Free | | Free |
| 9806.00.10 | | Upon the request of the Department of State, diplomatic couriers of foreign governments | | Free | | Free |
| 9806.00.15 | | Upon the request of the Department of State, representatives of foreign governments in or to, and officers and employees of, organizations designated by the President of the United States as public international organizations pursuant to section 1 of the International Organizations Immunities Act (22 U.S.C. 288), and their immediate families, suites and servants | | Free | | Free |
| 9806.00.25 | | Upon the request of the Department of State, persons designated by the Department of State as high officials of foreign governments or distinguished foreign visitors and their immediate families | | Free | | Free |
| 9806.00.30 | | Upon the request of the Department of State, persons designated pursuant to statute or pursuant to treaties ratified by the United States Senate | | Free | | Free |
| 9806.00.35 | | Upon the request of the Department of State, personal effects and equipment of groups or delegations of foreign residents arriving in the United States on goodwill visits of short duration to participate in patriotic celebrations, festivals and other demonstrations of public interest and which will be exported or destroyed at the conclusion of the visit | | Free | | Free |
| 9806.00.40 | | Upon the request of the Department of State, ambassadors, ministers, charge d'affaires, secretaries, counselors and attaches of foreign embassies and legations | | Free | | Free |
| 9806.00.50 | | Upon the request of the Department of State, other representatives, officers and employees of foreign governments | | Free | | Free |
| 9806.00.55 | | Upon the request of the Department of State, persons designated pursuant to statute or pursuant to treaties ratified by the United States Senate | | Free | | Free |
| 9807.00.50 | | Upon the request of the Department of State, articles from citizens of foreign countries for presentation to the President or Vice President of the United States | | Free | | Free |
| 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 |
| 9809.00.20 | | Upon the request of the Department of State, office supplies and equipment and other articles for the official use of representatives of foreign governments or of personnel of public international organizations, on duty in the United States | | Free | | Free |
| 9809.00.40 | | Upon the request of the Department of State, articles (other than communications satellites and parts thereof) which are the property of a foreign government or of a public international organization: | | | | |
| 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 |
| 9817.29.01 | | Cyclic organic chemical products in any physical form having an aromatic or modified aromatic structure, however provided for in chapter 29 (but excluding 2,3-dihydroxynaphthalene-6-sulfonic acid, sodium salt), to be used in the manufacture of photographic color couplers; photographic color couplers (but excluding 2,3-dihydroxynaphthalene-6-sulfonic acid, sodium salt) (all the foregoing goods however provided for in chapter 29 or in subheading 3707.90.31, 3707.90.32 or 3707.90.60) | | Free | | The rate applicable in the absence of this heading |
