The operations of an MTF or OTF in a host Member State shall be considered to be of substantial importance for the functioning of the securities markets and the protection of investors in that host Member State where at least one of the criteria laid down in paragraph 1 is met in regard to that MTF or OTF and at least one of the following additional criteria is met:
Directive 2002/58/CE du Parlement européen et du Conseil du 12 juillet 2002 concernant le traitement des données à caractère personnel et la protection de la vie privée dans le secteur des communications électroniques (JO L 201 du 31.7.2002, p. 37).