overensstemmelse med fællesskabsrettens almindelige principper tilgodeser det nødvendige hensyn til beskyttelse af den berettigede forventning og retssikkerheden.
'Consideration of the first indent of the first paragraph of Article 13 of Council Regulation (EEC) No 1715/90 of 20 June 1990 on the information provided by the customs authorities of the Member States concerning the classification of goods in the customs nomenclature, in the light of the principle of the protection of legitimate expectations and the principle of legal certainty, has not disclosed the existence of any factors of such a kind as to affect its validity.'