HS 2017     Description of product          Working or processing, carried out on
                                       non-originating materials, which confers originating
                                                              status
       (1)             (2)                    (3)               or              (4)
7109         Base metals or silver,    Manufacture from           Manufacture in which
             clad with gold, not       materials of any other     the value of all the
             further worked than       heading                    materials used does not
             semi-manufactured                                    exceed 50 % of the
                                                                  ex-works price of the
                                                                  product
7110         Platinum, unwrought       Manufacture from
             or in                     materials of any
             semi-manufactured         heading, except those of
             forms, or in powder       headings 7106, 7108
             form                      and 7110
                                       or
                                       Electrolytic, thermal or
                                       chemical separation of
                                       precious metals of
                                       heading 7106, 7108 or
                                       7110
                                       or
                                       Alloying of precious
                                       metals of heading 7106,
                                       7108 or 7110 with each
                                       other or with base
                                       metals
7111         Base metals, silver or    Manufacture from           Manufacture in which
             gold, clad with           materials of any other     the value of all the
             platinum, not further     heading                    materials used does not
             worked than                                          exceed 50 % of the
             semi-manufactured                                    ex-works price of the
                                                                  product
7116         Articles of natural or    Manufacture in which
             cultured pearls,          the value of all the
             precious or               materials used does not
             semi-precious stones      exceed 50 % of the
             (natural, synthetic or    ex-works price of the
             reconstructed)            product
7117         Imitation jewellery       Manufacture from           Manufacture in which
                                       materials of any other     the value of all the
                                       heading                    materials used does not
                                                                  exceed 50 % of the
                                                                  ex-works price of the
                                                                  product
Chapter 72   Iron and steel            Manufacture from
                                       materials of any other
                                       heading
ex Chapter   Articles of iron or       Manufacture from
73           steel; except for:        materials of any other
                                       heading
7301         Sheet piling of iron or   Manufacture from           Manufacture in which