Case C-359/16. Social security

Can an E101 certificate issued under Article 11(1) of Regulation (EEC) No 574/72 fixing the procedure for implementing Regulation (EEC) No 1408/71 on the application of social security schemes to employed persons, to self-employed persons and to members of their families moving within the Community, as applicable before its repeal by Article 96(1) of Regulation (EC) No 987/2009, be annulled or disregarded by a court other than that of the sending Member State if the facts which are submitted to its scrutiny support the conclusion that the certificate was obtained or invoked fraudulently?