++++ Agriculture ° Common organization of the markets ° Wine ° Description and presentation of wines ° Quality wines produced in specified regions ° Use of the term "château" by wine-growers cultivating plots formerly belonging to the estate of a château and making wine on the premises of their cooperative ° Whether permissible ° Participation in a cooperative of wine-growers cultivating plots not formerly belonging to the château estate ° No effect in the event of recourse to reliable procedures ensuring that the grapes are not mixed (Commission Regulation No 997/81, Art. 5(1), and No 3201/90, Art. 6)