Request for a preliminary ruling from the Consiglio di Stato (Italy) lodged on 29 April 2015 — Ciclat Soc. Coop. v Consip SpA, Autorità per la Vigilanza sui Contratti pubblici di lavori, servizi e forniture

(Case C-199/15)

Language of the case: Italian

Referring court

Consiglio di Stato

Parties to the main proceedings

Appellant: Ciclat Soc. Coop.

Respondents: Consip SpA, Autorità per la Vigilanza sui Contratti pubblici di lavori, servizi e forniture

Question referred

Do Article 45 of Directive 18/2004, ¹ read also in the light of the principle of reasonableness, and Articles 49 and 56 TFEU preclude national legislation which, in relation to a threshold–based procurement procedure, allows a request to be made by the contracting authority on its own initiative for the certificate issued by the social security institutions (‘DURC’) and obliges that authority to exclude the tenderer if the certificate discloses an earlier failure to pay contributions, in particular one existing at the time of participation but not known to that operator, which took part on the strength of a positive currently valid DURC, but that infringement in any case no longer exists at the time of the award or of the verification carried out on the contracting authority’s own initiative?

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¹ Directive 2004/18/EC of the European Parliament and of the Council of 31 March 2004 on the coordination of procedures for the award of public works contracts, public supply contracts and public service contracts (OJ 2004 L 134, p. 114).