particularly complex
as defined in Directive 2009/81/EC of the European Parliament and of the Council of 13 July…, Article 1, point (21) (Definitions)
where the contracting authority/entity is not objectively able: — to define the technical means in accordance with Article 18(3)(b), (c) or (d), capable of satisfying its needs or objectives, and/or, — to specify the legal and/or financial make-up of a project,