1° be an employer or officer of an employer, or a member of the personnel of an employer:a) who belongs to a group organization of employers that has entered into or become a party to an agreement, and who represents the group organization in a sector-based association; or
b) who belongs to a group organization of employers that itself belongs to an association of group organizations of employers and has entered into an agreement or become a party thereto, and who represents the association in a sector-based association; or
c) who belongs to an association including employers and group organizations of employers that has entered into an agreement or become a party thereto, and who represents the association in a sector-based association; or
d) who belongs to a group organization of employers that itself belongs to an association including employers and group organizations of employers and that has entered into an agreement or become a party thereto, and who represents the association in a sector-based association; or
2° be a worker:a) who belongs to a group of workers, whether constituted as a professional syndicate or not, that has entered into an agreement or become a party thereto, and who represents the group in a sector-based association; or
b) who belongs to a group of workers that itself belongs to a group of syndicates or another group of workers that has entered into an agreement or become a party thereto, and who represents the group of syndicates or the other group of workers in a sector-based association.