For the purposes of this Chapter, the following shall be deemed to be professional organisations representing the platforms referred to in Article L. 7342-1 :
1° The professional trade unions referred to in Article L. 2131-1 and their associations referred to in Article L. 2133-2 where the defence of the interests of these platforms in their relations with the workers referred to in Article L. 7341-1 forms part of their corporate purpose;
2° Associations constituted in accordance with the provisions of the law of 1st July 1901 relating to the contract of association when the representation of these platforms and the negotiation of agreements applicable to them in their relations with the workers mentioned in article L. 7341-1 is part of their corporate purpose.