I.4.2 Flor or film wines

Wines whose principal characteristic is to be subjected to a period of biological ageing in contact with air by the development of a film of typical yeasts on the free surface of the wine, after complete alcoholic fermentation of the must. Wine spirit, neutral alcohol of agricultural origin or neutral alcohol of vitivinicultural origin may be added to the wine, in which case the actual alcohol content of the finished product must be equal to or greater than 15% vol.

Prescriptions :

The wine spirit, neutral alcohol of agricultural origin or neutral alcohol of vitivinicultural origin which may be added must comply with the conditions fixed for the production of these products in the present Code and with the prescriptions of the International Oenological Codex. 

Recommendation of the OIV:

It is recommended that the neutral alcohol of agricultural origin used is exclusively of viticultural origin.