| 3815 | | Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included: | | | | |
| 3815.11.00 | 00 | Supported catalysts: | | | | |
| 4403.20.00 | 55 | Western red cedar (Thuja plicata) | m3 | | | |
| 4911.10.00 | | Trade advertising material, commercial catalogs and the like | | Free | | Free |
| 4911.10.00 | 20 | Printed catalogs relating principally to current offers for the sale of United States products | No. | | | |
| 4911.10.00 | 40 | Printed catalogs, price lists or trade notices, relating to offers, by a person whose principal place of business or bonafide residence is in a foreign country, to sell or rent products of a foreign country or to furnish foreign or international transportation or commercial insurance services | No. | | | |
| 7115.10.00 | 00 | Catalysts in the form of wire cloth or grill, of platinum | g | 4% | Free (A,AU,BH,CA, CL,E,IL,J, JO,MA, MX,P,SG) | 65% |
| 8421.39.40 | 00 | Catalytic converters | No. | Free | | 35% |
| 9813.00.15 | | Articles imported by illustrators and photographers for use solely as models in their own establishments, in the illustrating of catalogues, pamphlets or advertising matters | | 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 |
