Article 81 1.

If, in the course of the recovery procedure, the claim and/or the instrument permitting its enforcement issued in the Member State of the applicant party are contested by an interested party, the action shall be brought by this party before the appropriate authorities of the Member State of the applicant party, in accordance with the laws in force in that Member State. The applicant party shall without delay notify the requested party of this action. The interested party may also inform the requested party of the action.