# Commission Regulation (EU) No 861/2010 of 5 October 2010 amending Annex I to Council Regulation (EEC) No 2658/87 on the tariff and statistical nomenclature and on the Common Customs Tariff, Division 1: In this chapter, the following expressions have the meanings hereby assigned to them:

Extent: E+W+S+N.I.

(a) Aluminium, not alloyed:
Metal containing by weight at least 99 % of aluminium, provided that the content by weight of any other element does not exceed the limit specified in the following table:
Other elements
Other elements are, for example, Cr, Cu, Mg, Mn, Ni, Zn.
Copper is permitted in a proportion greater than 0,1 % but not more than 0,2 %, provided that neither the chromium nor manganese content exceeds 0,05 %.
Element
Limiting content % by weight
Fe + Si (iron plus silicon)
1
Other elements, each
0,1
(b) Aluminium alloys:
Metallic substances in which aluminium predominates by weight over each of the other elements, provided that:
(1) the content by weight of at least one of the other elements or of iron plus silicon taken together is greater than the limit specified in the foregoing table; or
(2) the total content by weight of such other elements exceeds 1 %.

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Source: https://www.legislation.gov.uk/eur/2010/861/annex/I/chapter/76/annotations/2/annotation/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2010-861/annex-I/chapter-76/annotations/2/annotation/1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.