For the purpose of this Regulation, qualifying infrastructure corporate investment shall include investment in an infrastructure entity that meets the following criteria:

(1) The substantial majority of the infrastructure entity's revenues is derived from owning, financing, developing or operating infrastructure assets located in the EEA or the OECD;

(2) The revenues generated by the infrastructure assets satisfy one of the criteria set out in Article 164a(2)(a);

(3) Where the revenues of the infrastructure entity are not funded by payments from a large number of users, the party which agrees to purchase the goods or services provided by the infrastructure entity shall be one of the entities listed in Article 164a(2)(b);

(4) The revenues shall be diversified in terms of activities, location, or payers, unless the revenues are subject to a rate-of-return regulation in accordance with Article 164a(1)(c)(a)(ii) or a take-or-pay contract or the revenues are availability based;