Article 56 5.

Taking into account the objectives and the principles set out in Articles 1 and 4, and in particular the nature and risk of the activity concerned, the operational characteristics of the unmanned aircraft concerned and the characteristics of area of operation, the delegated acts referred to in Article 58 and the implementing acts referred to in Article 57 may require in respect of the design, production, maintenance and operation of unmanned aircraft and their engines, propellers, parts, non-installed equipment and equipment to control them remotely, as well as of the personnel, including remote pilots, and organisations involved in those activities, a declaration confirming compliance with those delegated and implementing acts.