As regards apples and pears, if examination of the market situation and particularly of the volume of production and the price levels shows the risk of a collapse of the market and of heavy withdrawals of one or both of the products concerned, it may be decided, in accordance with the procedure laid down in Article 33, that the Member States may authorize producers' organizations to withdraw, during the first months of the marketing year, a proportion of the products which comply with the minimum specifications of the quality standards in force.