Within six months of the appointment of the Chair, the Board and the European Parliament shall conclude appropriate arrangements on the practical modalities of the exercise of democratic accountability and oversight over the exercise of the tasks conferred on the Board by this Regulation.

(4) In order to ensure uniform conditions for implementation of this Regulation, implementing powers should be conferred on the Commission in respect of: the adoption within six months of the entry into force of this Regulation of a work programme relating to the development and deployment of the electronic systems; decisions allowing one or several Member States to use means of exchange and storage of data other than electronic data-processing techniques; decisions authorising Member States to test simplifications in the application of the customs legislation using electronic data-processing techniques; decisions requesting Member States to take, suspend, annul, amend or revoke a decision; common risk criteria and standards, control me ...[+++]asures and priority control areas; the management of the tariff quota and tariff ceilings and the management of the surveillance of the release for free circulation or export of goods; the determination of the tariff classification of goods; the temporary derogation from the rules on preferential origin of goods benefiting from preferential measures adopted unilaterally by the Union; the determination of the origin of goods; the temporary prohibitions relating to the use of comprehensive guarantees; the mutual assistance between the customs authorities in case of incurrence of a customs debt; decisions on repayment or remission of an amount of import or export duty; the official opening hours of customs offices; the determination of the tariff subheading of the goods which are subject to the highest rate of import or export duty where a consignment is made of goods falling under different tariff subheadings; Those powers should be exercised in accordance with Regulation (EU) No 182/2011 of the European Parliament and of the Council of 16 February 2011 laying down the rules and general principles concerning mechanisms for control by Member States of the Commission's exercise of implementing powers.

Every six months, the Commission shall decide whether to prolong the enhanced surveillance on that Member State.

The Council has repeatedly pointed to the long term structural problems of the Greek economy in various multilateral surveillance exercises.