Mandatory use of a form: Article 46
This part concerns Article 46[1]
The decision handed down by a court of another Member State must be accompanied by Form I, filled out by the said court, as provided by Implementing Regulation EU n°1329/2014 of 9 December 2014.
This form provides proof that the decision has been declared enforceable in its State of origin.
If it appears that the decision for which exequatur is sought is the subject of a challenge in its State of origin, a stay of proceedings must be ordered (Article 42[2]).