++++ 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 ° Grant of a special reference quantity ° Rule against overlapping barring transferees of a non-marketing or conversion premium who obtained a reference quantity under other provisions of the additional levy scheme ° Principle of protection of legitimate expectations ° Infringement (Council Regulations Nos 1078/77 and 857/84, as amended by Regulation No 764/89, Art. 3a(1))