Article 12(4) provides that, “The term “fees for technical included services” as used in this Article means payments of any kind to any person in consideration for services of a managerial, technical or consultancy nature (including the provision of such services through technical or other personnel) if such services : (a) are ancillary and subsidiary to the application or enjoyment of the right, property or information for which a payment described in paragraph 3 is received ; or (b) make available technical knowledge, experience, skill, know-how or processes, which enables the person acquiring the services to apply the technology contained therein”. In order to invoke article 12(4)(a) it is necessary that such services should “make available” technical knowledge, experience, skill, know-how, or processes or consist of the development and transfer of a technical plan or technical design The services provided by BT Canada were simply management support or consultancy services which did not involve any transfer of technology. It is not even the case of the Assessing Officer that the services were such that the recipient of service was enabled to perform these services on its own without any further recourse to the service provider. It is in this context that we have to examine the scope of expression ‘make available’