Where , in the case of deliveries or direct sales , the levy is found to be payable and the contribution collected from producers is greater than that levy , the Member State may use partially or totally the excess to finance the measures referred to in Article 18(1)(a ) , and / or(b ) redistribute it partially or totally to producers who fall within priority categories established by the Member State on the basis of objective criteria and within the period to be laid down in accordance with the procedure laid down in Article 23(2 ) or who are affected by an exceptional situation resulting from a national rule unconnected with the present scheme.2 .