1. The general rules for the interpretation of the combined nomenclature and the special rules for its application shall apply to the classification of products covered by this Regulation; the tariff nomenclature resulting from the application of this Regulation shall be incorporated in the common customs tariff.
2. The application referred to in paragraph 1 must contain the following information relating to the instrument or apparatus in question:
(a) the precise trade description of the instrument or apparatus used by the manufacturer, and its presumed classification in the tariff nomenclature ...