1. Aid in favour of alternative trading platforms specialised in SMEs shall be compatible with the internal market within the meaning of Article 107(3) of the Treaty and shall be exempted from the notification requirement of Article 108(3) of the Treaty, provided the conditions laid down in this Article and in Chapter I are fulfilled.
2. Where the platform operator is a small enterprise, the aid measure may take the form of start-up aid to the platform operator, in which case the conditions laid down in Article 22 shall apply.
The aid measure may take the form of tax incentives to independent private investors that are natural persons in respect of their risk finance investments made through an alternative trading platform into undertakings eligible under the conditions laid down in Article 21.