HEADING 2621
Other slag and ash, including seaweed ash (kelp); ash and residues from the incineration of municipal waste:
Part of Chapter 26 — Ores, Slag and Ash, Section V.
Subheadings and tariff lines
Recent CBP rulings on heading 2621
N332274
April 27, 2023
The tariff classification of rice hull (husk) ash from India
N329722
December 20, 2022
The country of origin marking of bicycles assembled in Vietnam using foreign components
N248692
March 21, 2014
The tariff classification of cenospheres from Germany
N222055
August 31, 2012
The tariff classification of cenospheres from China and India
N148055
March 9, 2011
COUNTRY OF ORIGIN MARKING OF AN IMPORTED ARM END CAP AND SHELL PLATES
H003743
August 6, 2007
Revocation of Headquarters Ruling Letter (HQ) 955742, dated April 7, 1994; Classification of micro silica sand.
I87036
December 3, 2002
The tariff classification of silicon dross from Russia
I83097
August 26, 2002
The tariff classification of granulated copper slag from India
E80930
April 23, 1999
The tariff classification of electric furnace nickel slag from Greece.
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