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Harmonised system for commodity description and coding

Developed by the World Customs Organization (WCO), this is a six-digit figure for describing internationally traded goods. Individual countries may further extend this code with an additional two or four digits, however these additional digits are not harmonised and may have different meanings from country to country.

Below is a list of six-digit HS codes known to apply, or to have applied at some time, to niobium-containing materials. Note that these HS Codes may change from time to time and individual countries can add up to four additional digits after the internationally agreed six digits, e.g. by WCO review at five-yearly intervals, or as per individual countries.

When referring to country specific eight- or ten-digit codes, cross-reference should be made to the title of the primary four- or six-digit HS code.

Area   Code   Description
- All -   81 12 92   Niobium (columbium) in the form of waste/scrap/unwrought/powder.
    81 12 99   Alloy of niobium (columbium) and titanium, in the form of bars and rods.                
    26 15 90   Niobium, tantalum, vanadium or zirconium ores and concentrates
    72 02 93   Ferro-niobium 


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