Judgment_paragraph 43 · Criminal proceedings against Ömer Altun and Others (C-359/16)

43As a result, it is incumbent on the competent institution of the Member State which issued the E 101 certificate to reconsider the grounds for its issue and, if appropriate, to withdraw the certificate if the competent institution of the Member State in which the employee actually works expresses doubts as to the accuracy of the facts on which the certificate is based and, consequently, of the information contained therein, in particular because that information does not meet the requirements of Article 14(1)(a) of Regulation No 1408/71 (see, to that effect, judgment of 27 April 2017, A-Rosa Flussschiff, C‑620/15, EU:C:2017:309, paragraph 44 and the case-law cited).