Each Contracting Party agrees to allow in its territory the use by the other Contracting Party of the names of one or more vine varieties, or, where applicable, their synonyms, to describe and present a wine, so long as the following conditions are complied with: ... (e) vine variety(-ies) or their synonyms shall be shown either in the same visual field or outside, depending on the internal legislation of the exporting country;
A term may be a synonym for the preferred term but is deprecated in the interests of monosemy.