Article 43U.K.
For the purposes of Article 41:
(a)
‘piece of equipment, machine, apparatus or vehicle’ means goods listed in Sections XVI, XVII and XVIII of the combined nomenclature;
(b)
‘essential spare parts’ means parts which are:
components without which the proper operation of the goods referred to in (a) which have been put into free circulation or previously exported cannot be ensured, and
characteristic of those goods, and
intended for their normal maintenance and to replace parts of the same kind which are damaged or have become unserviceable.