47With regard, thirdly, to the admissibility of Question 7, which concerns the validity of Articles 7, 8(3), 9(3), 10(1)(g), 13 and 14 of Directive 2014/40, it should be borne in mind that it follows from the spirit of cooperation which must prevail in the operation of the preliminary reference procedure that it is essential that the national court sets out in its order for reference the precise reasons why it considers a reply to its questions concerning the interpretation or validity of certain provisions of EU law to be necessary to enable it to give judgment (see to that effect, inter alia, judgments in Bertini and Others, 98/85, 162/85 and 258/85, EU:C:1986:246, paragraph 6; ABNA and Others, C‑453/03, C‑11/04, C‑12/04 and C‑194/04, EU:C:2005:741, paragraph 46; and IATA and ELFAA, C‑344/04, EU:C:2006:10, paragraph 31).
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