Division 4 As regards quality aromatic sparkling wines:

F1except by way of derogation, these may be obtained only by making exclusive use, when constituting the cuvée, of grape must or partially fermented grape must derived from wine varieties contained in the list given in the Appendix to this Annex. F2...

control of the fermentation process before and after the cuvée has been constituted, in order to render the cuvée sparkling, may be effected only by refrigeration or other physical processes;

the addition of expedition liqueur shall be prohibited;

the length of the production process for quality aromatic sparkling wines may not be less than one month.