WCO Explanatory Notes reproduced for reference. © World Customs Organization. Verify against official WCO publication.
83.05 Fittings for loose-leaf binders or files, letter clips, letter corners, indemng tags and similar office articles, of base metal; staples in strips ( or example, for offices, upholstery, packaging), of base metal. Plper - Fittings for loose-leaf binders or files 8305.20 - Staples in strips 8305.90 - Other, including parts 8305.10 This heading covers base metal fittin s of the clip, cord, spring lever, ring, screw, etc., loose-leaf blnders or box files. It fiat er includes protecting rings, bands and corners for edgers for or other stationery books; also office stationery in metal of the type used in fastening together or index-marking pa ers (e.g., letter clips, paper clips, pa er fasteners, letter corners, card xndexing ta s, file tags, spi e files); staples in stnps of the kin used in stapling machines, in offices, for up olstery, for packagng, etc. f % f: rjfesy a The heading excludes : (a) Drawing pins (e.g., heading 73.17 or 74.15). (b) Clasps and fasteners for books, ledgers, etc. (heading 83.01 or 83.08).
1.- In this Chapter the following expressions have the meanings hereby assigned to them : (a) Refined copper Metal containing at least 99.85 % by weight of copper; or Metal containing at least 97.5 % by weight of copper, provided that the content by weight of any other element does not exceed the limit specified in the following table : TABLE - Other elements Element Limiting content % by weight Ag Silver 0.25 As Arsenic 0.5 Cd Cadmium 1.3 Cr Chromium 1.4 Mg Magnesium 0.8 Pb Lead 1.5 S Sulphur 0.7 Sn Tin 0.8 Te Tellurium 0.8 Zn Zinc 1 Zr Zirconium 0.3 Other elements*, each 0.3 * Other elements are, for example, Al, Be, Co, Fe, Mn, Ni, Si. (b) Copper alloys Metallic substances other than unrefined copper in which copper predominates by weight over each of the other elements, provided that : (i) the content by weight of at least one of the other elements is greater than the limit specified in the foregoing table; or (ii) the total content by weight of such other elements exceeds 2.5 %. (c) Master alloys Alloys containing with other elements more than 10 % by weight of copper, not usefully malleable and commonly used as an additive in the manufacture of other alloys or as de-oxidants, de- sulphurising agents or for similar uses in the metallurgy of non-ferrous metals. However, copper phosphide (phosphor copper) containing more than 15 % by weight of phosphorus falls in heading