HS 2017     Description of product           Working or processing, carried out on
                                       non-originating materials, which confers originating
                                                              status
       (1)              (2)                    (3)              or               (4)
                                       heading, except from        materials used does not
                                       heading 8538                exceed 50 % of the
                                                                   ex-works price of the
                                                                   product
8536.50      - Other switches          Manufacture from            Manufacture in which
                                       materials of any other      the value of all the
                                       heading, except from        materials used does not
                                       heading 8538                exceed 50 % of the
                                                                   ex-works price of the
                                                                   product
8536.61-69   - Lamp-holders, plugs     Manufacture from            Manufacture in which
             and sockets               materials of any other      the value of all the
                                       heading, except from        materials used does not
                                       heading 8538                exceed 50 % of the
                                                                   ex-works price of the
                                                                   product
8536.70      - Connectors for
             optical fibres, optical
             fibre bundles or cables
             -- Plastic connectors     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
             -- Other                  Manufacture from
                                       materials of any other
                                       heading
8536.90      - Other apparatus         Manufacture from           Manufacture in which
                                       materials of any other     the value of all the
                                       heading, except from       materials used does not
                                       heading 8538               exceed 50 % of the
                                                                  ex-works price of the
                                                                  product
8537         Boards, panels,           Manufacture from           Manufacture in which
             consoles, desks,          materials of any other     the value of all the
             cabinets and other        heading, except from       materials used does not
             bases, equipped with      heading 8538               exceed 50 % of the
             two or more apparatus                                ex-works price of the
             of heading 8535 or                                   product
             8536, for electric
             control or the
             distribution of
             electricity, including
             those incorporating
             instruments or
             apparatus of Chapter
             90, and numerical
             control apparatus,
             other than switching
             apparatus of heading