1. Member States shall ensure that the limitation periods for the imposition of fines or periodic penalty payments by the national competition authorities pursuant to Articles 13 and 16 shall be suspended or interrupted for the duration of enforcement proceedings before national competition authorities of other Member States or the Commission in respect of an infringement concerning the same agreement, decision of an association, concerted practice or other conduct prohibited by Article 101 or 102 TFEU.
The suspension of the limitation period shall start, or the interruption of the limitation period shall take place, from the notification of the first formal investigative measure to at least one undertaking subject to the enforcement proceedings. It shall apply to all undertakings or associations of undertakings which have participated in the infringement.
The suspension or interruption shall end on the day the competition authority concerned closes its enforcement proceedings by takin
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