Recital 15

(15)In order to take into account economic and technical developments, the power to adopt acts in accordance with Article 290 TFEU should be delegated to the Commission in respect of amending the breakdowns of species by groups, density classes and age classes set out in Annex I and the variables/characteristics, size classes, degree of specialisation and vine varieties set out in Annex II, except in respect of the optional nature of the required information. It is of particular importance that the Commission carry out the appropriate consultations during its preparatory work, including at expert level. The Commission, when preparing and drawing-up delegated acts, should ensure a simultaneous, timely and appropriate transmission of relevant documents to the European Parliament and to the Council.