“Emphasising that as a creature of international tax law, the concept of permanent establishment has a particularly strong claim to a uniform international meaning, Philip Baker discerns two types of permanent establishments contemplated under article 5 of Organization for Economic Co-operation and Development Model. First, an establishment which is part of the same enterprise under common ownership and control—an office, branch, etc., to which he gives his own description as an „associated permanent establishment‟. The second type is an agent, though legally separate from the enterprise, nevertheless who is dependent on the enterprise to the point of forming a permanent establishment. Such permanent establishment is given the nomenclature of „unassociated permanent establishment‟ by Baker. He, however, pointed out that there is a possibility of a third type of permanent establishment, i.e., a construction or installation site may be regarded as permanent establishment under certain circumstances. In the first type of permanent establishment, i.e., associated permanent establishments, primary requirement is that there must be a fixed place of business through which the business of an enterprise is wholly or partly carried on. It entails two requirements which need to be fulfilled : (a) there must be a business of an enterprise of a contracting State (FOWC in the instant case); and (b) permanent establishment must be a fixed place of business, i.e., a place which is at the disposal of the enterprise. It is
