- Wines produced exclusively from Chardonnay grape.
Up to 5% of non-aromatic varieties (e.g. Pinot blanc, Maccabeo) is allowed. However, the presence of aromatic varieties (e.g. Muscat, Muscat-like varieties, Gewurtztraminer, Chenin blanc, Viognier, etc.) or of varieties that modify wine structure (e.g. Pinot noir) is not authorised, and any wines containing such varieties shall be excluded from the competition.
- The amount of the wine available should be at least of 1000 liters.