Judgment_paragraph 38 · Criminal proceedings against Bouygues travaux publics and Others (C-17/19)

38Those certificates correspond to a standard form issued, in accordance, as the case may be, with Title III of Regulation No 574/72 or Title II of Regulation No 987/2009, by the institution designated by the competent authority of the Member State whose social security legislation is applicable, in order to ‘attest’, in accordance, inter alia, with Article 11(1)(a), Article 12a(2)(a) and (4)(a) of Regulation No 574/72 and of Article 19(2) of Regulation No 987/2009, that workers finding themselves in one of the situations referred to in certain provisions of Title II of Regulations No 1408/71 and No 987/2009 are subject to the legislation of that Member State (see, to that effect, judgment of 9 September 2015, X and van Dijk, C‑72/14 and C-197/14, EU:C:2015:564, paragraph 38).