HS 2017     Description of product            Working or processing, carried out on
                                        non-originating materials, which confers originating
                                                               status
       (1)              (2)                     (3)              or               (4)
             aptitude-testing           materials used does not     ex-works price of the
             apparatus; ozone           exceed 40 % of the          product
             therapy, oxygen            ex-works price of the
             therapy, aerosol           product
             therapy, artificial
             respiration or other
             therapeutic respiration
             apparatus
9021         Orthopaedic appliances,    Manufacture from           Manufacture in which
             including crutches,        materials of any other     the value of all the
             surgical belts and         heading, provided that     materials used does not
             trusses; splints and       the value of all the       exceed 30 % of the
             other fracture             materials used does not    ex-works price of the
             appliances; artificial     exceed 40 % of the         product
             parts of the body;         ex-works price of the
             hearing aids and other     product
             appliances which are
             worn or carried, or
             implanted in the body,
             to compensate for a
             defect or disability
9022         Apparatus based on         Manufacture from           Manufacture in which
             the use of X-rays or       materials of any other     the value of all the
             of alpha, beta or          heading, provided that     materials used does not
             gamma radiations,          the value of all the       exceed 30 % of the
             whether or not for         materials used does not    ex-works price of the
             medical, surgical,         exceed 40 % of the         product
             dental or veterinary       ex-works price of the
             uses, including            product
             radiography or
             radiotherapy apparatus,
             X-ray tubes and other
             X-ray generators, high
             tension generators,
             control panels and
             desks, screens,
             examination or
             treatment tables, chairs
             and the like
Chapter 91   Clocks and watches         Manufacture in which
             and parts thereof          the value of all the
                                        materials used does not
                                        exceed 40 % of the
                                        ex-works price of the
                                        product
Chapter 92   Musical instruments;       Manufacture from           Manufacture in which
             parts and accessories      materials of any other     the value of all the
             of such articles           heading                    materials used does not
                                                                   exceed 50 % of the
                                                                   ex-works price of the
                                                                   product