1. For the purposes of sub-headings 7106 10, 7108 11, 7110 11, 7110 31 and 7110 41, the expressions “powder” and “in powder form” mean products of which 90% or more by weight passes through a sieve having a mesh aperture of 0.5 mm.

2. Notwithstanding the provisions of Chapter Note 4(B), for the purposes of sub-headings 7110 11 and 7110 19, the expression “platinum” does not include iridium, osmium, palladium, rhodium or ruthenium.

3. For the classification of alloys in the sub-headings of heading 7110, each alloy is to be classified with that metal, platinum, palladium, rhodium, iridium osmium or ruthenium which predominates by weight over each other of these metals.