1. Only the textile fibre names listed in Annex I shall be used for the description of fibre compositions on labels and markings of textile products.
2. Use of the names listed in Annex I shall be reserved for textile fibres the nature of which corresponds to the description set out in that Annex. The names listed in Annex I shall not be used for other fibres, whether on their own or as a root or as an adjective. The term ‘silk’ shall not be used to indicate the shape or particular presentation in continuous filament yarn of textile fibres.