color are indicated by "M", supplementary varieties (not designated for white wines) by "S", and accessory varieties by "(A)". The rules for the proportion of main, supplementary and accessory grape varieties are the following: White wines: a minimum of 80% of the main grape varieties. Red and rosé wines: The main grape variety (Grenache noir) must make up at least 50%. The supplementary grape varieties Syrah and Mourvèdre together must make up at least 20% of the blend. The main and supplementary grape varieties must together make up at least 80% of the blend. The accessory grape varieties are restricted to a maximum of 20% of the blend. In contrast to Côtes du Rhône without the Village designation, the variety Marselan variety may not be used, the proportion of accessory grapes is restricted to 20% rather than 30%, and Blanc and Rosé varieties are not allowed at all in the red wines. References Rhône wine AOCs 1966 establishments in France