The following entities or organizations may become Sector Members according to the relevant provisions of the Convention and for which the admission procedure may vary:

1. Recognized Operating Agencies (ROA), Scientific or Industrial Organizations (SIO) and financial or development institutions (FDI), which should be approved by the Administration of the Member State concerned;

2. Other entities dealing with telecommunication matters, which should be approved by the Administration of the Member State concerned;

3. Regional and other international telecommunication, standardization, financial or development organizations. Their application should be sent directly to the ITU Secretary-General.

• A recognized operating agency is any operating agency (i.e. any individual, company, corporation or governmental agency which operates a telecommunication installation intended for an international telecommunication service or capable of causing harmful interference with such a service), which operates a public correspondence or broadcasting service and upon which the obligations provided for in Article 6 of the ITU Constitution are imposed by the Member State in whose territory the head office of the agency is situated, or by the Member State which has authorized this operating agency to establish and operate a telecommunication service on its territory.

• A scientific or industrial organization is any organization, other than a governmental establishment or agency, which is engaged in the study of telecommunication problems or in the design or manufacture of equipment intended for telecommunication services.