Court of Justice 28 February 2018, Joined Cases C-523/16 and C-536/16: Judgment of the Court (Eighth Chamber) of 28 February 2018 (requests for a preliminary ruling from the Tribunale amministrativo regionale per il Lazio — Italy) — MA.T.I. SUD SpA v Centostazioni SpA (C-523/16), Duemme SGR SpA v Associazione Cassa Nazionale di Previdenza e Assistenza in favore dei Ragionieri e Periti Commerciali (CNPR) (C-536/16) (Reference for a preliminary ruling — Public procurement — Directive 2004/18/EC — Article 51 — Rectification of procedural shortfalls in tenders — Directive 2004/17/EC — Clarification of tenders — National legislation making the rectification by tenderers of the documentation submitted subject to the payment of a financial penalty — Principles relating to the award of public works contracts — Principle of equal treatment — Principle of proportionality)

Also known as