Case C-543/14: Judgment of the Court (Fourth Chamber) of 28 July 2016 (request for a preliminary ruling from the Cour constitutionnelle — Belgium) — Ordre des barreaux francophones et germanophone and Others, Jimmy Tessens and Others, Orde van Vlaamse Balies, Ordre des avocats du barreau d’Arlon and Others v Conseil des ministres (VAT — Directive 2006/112/EC — Validity and interpretation of the directive — Services provided by lawyers — Liability to VAT — Right to an effective remedy — Equality of arms — Legal aid)