| 2621 | | Other slag and ash, including seaweed ash (kelp); ash and residues from the incineration of municipal waste: | | | | |
| 2621.10.00 | 00 | Ash and residues from the incineration of municipal waste | t | Free | | Free |
| 3825 | | Residual products of the chemical or allied industries, not elsewhere specified or included; municipal waste; sewage sludge; other wastes specified in note 6 to this chapter: | | | | |
| 3825.10.00 | 00 | Municipal waste | X | Free | | Free |
| 9812.00.20 | 00 | Articles imported for exhibition by any institution or society established for the encouragement of agriculture, arts, education or science, or for such exhibition by any State or for a municipal corporation | X | Free, under bond, as prescribed in U.S. note 2 to this subchapter | Free (AU,BH,CA, CL,IL,JO,MA, MX,P,SG) | Free, under bond, as prescribed in U.S. note 2 to this subchapter |
| 9812.00.40 | 00 | Articles imported by any institution, society or State, or for a municipal corporation, for the purpose of erecting a public monument | X | Free, under bond, as prescribed in U.S. note 2 to this subchapter | Free (AU,BH,CA, CL,IL,JO,MA, MX,P,SG) | Free, under bond, as prescribed in U.S. note 2 to this subchapter |
