41That interpretation is supported, secondly, by the objective underlying Article 57(4) of Directive 2014/24. In that connection, it should be borne in mind that the option, or even the obligation, for the contracting authority to exclude an economic operator from participating in a contract award procedure is intended in particular to enable it to assess the integrity and reliability of each of the economic operators. In particular, the optional ground for exclusion mentioned in Article 57(4)(a) of Directive 2014/24, read in conjunction with recital 101 of that directive, is based on an essential element of the relationship between the successful tenderer and the contracting authority, namely the reliability of the successful tenderer, on which the contracting authority’s trust is founded (see, by analogy, judgment of 3 October 2019, Delta Antrepriză de Construcţii şi Montaj 93, C‑267/18, EU:C:2019:826, paragraph 26 and the case-law cited).
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