Opinion of Advocate General Kokott delivered on 24 January 2019.#Compagnie d'entreprises CFE SA v Région de Bruxelles-Capitale.#Request for a preliminary ruling from the Conseil d'État (Belgium).#Reference for a preliminary ruling — Environment — Directive 2001/42/EC — Assessment of the effects of certain plans and programmes on the environment — Decree — Designation of a special area of conservation pursuant to Directive 92/43/EEC — Setting of conservation objectives and provision of certain preventive measures — Concept of ‘plans and programmes’ — Obligation to carry out an environmental assessment.#Case C-43/18.