| 9808.00.30 | 00 | Materials certified to the Commissioner of Customs by the authorized procuring agencies to be emergency war material purchased abroad | | Free | | Free |
| 9808.00.40 | 00 | Materials certified by it to the Commissioner of Customs to be strategic and critical materials procured under the Strategic and Critical Materials Stock Piling Act (50 U.S.C. 98-98h) | | Free | | Free |
| 9808.00.50 | 00 | Materials certified by it to the Commissioner of Customs to be source materials the entry of which is necessary in the interest of the common defense and security | | Free | | Free |
| 9808.00.70 | 00 | Materials certified by it to the Commissioner of Customs to be strategic materials acquired by that agency as a result of barter or exchange of agricultural commodities or products | | 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 |
