1.Before 1 October each year, purchasers and, in the case of direct sales, producers liable for the levy shall pay the competent authority the amount due in accordance with rules laid down by the Member State, purchasers being responsible for collecting the surplus levy on deliveries due by producers pursuant to Article 79 of Regulation (EC) No 1234/2007, in accordance with Article 81(1) of that Regulation.Without prejudice to the application of Articles 107 to 109 of the Treaty on the Functioning of the European Union, Member States may decide that the payment of the amount due related to the 12-month period beginning on 1 April 2014 takes place in three yearly instalments without interest.The first yearly payment, representing at least 1/3 of the total amount due, shall be made by 30 September 2015. By 30 September 2016 at least 2/3 of the total amount due shall be paid. The total amount shall be settled by 30 September 2017.Member States shall ensure that the producers are the beneficiaries of such an instalment scheme.