Explanatory notes
… any material (Chapter 69); (c) Laboratory glassware (heading 70.17); machinery, appliances or other articles for … in which a change of temperature, even if necessary, is subsidiary. (B) Heading 84.22 does not cover : … in which the change of temperature, although necessary, is subsidiary to the main mechanical function. Similarly the …Legal note
… any material (Chapter 69); (c) Laboratory glassware (heading 70.17); machinery, appliances or other articles for technical uses or parts thereof, of glass (heading 70.19 or 70.20); (d) Articles of … in which a change of temperature, even if necessary, is subsidiary. (B) Heading 84.22 does not cover : …
