++++ Agriculture ° Common organization of the markets ° Milk and milk products ° Additional levy on milk ° Allocation of reference quantities exempt from the levy ° Producers who suspended deliveries of milk under the system of non-marketing or conversion premiums ° Definitive award of a special reference quantity ° Account taken of sales or deliveries from production units added to the holding between the expiry of the period of non-marketing or conversion and the provisional allocation of the special reference quantity ° Condition ° Operation by the person concerned of the same holding as that operated when the non-marketing or conversion premium was awarded (Council Regulation No 857/84, Art. 3a(3), as amended by Regulation No 764/89)