S.L. 123.57 Art. 4owner business in the a permanent personal of which or case may be,

The provisions of paragraphs 1 and 2 shall not apply if the beneficial of the interest, being a resident of a Contracting State, carries on other Contracting State in which the interest arises, through establishment situated therein, or performs in that other State independent services from a fixed base situated therein, and the debt-claim in respect the interest is paid is effectively connected with such permanent establishment fixed base. In such case the provisions of Article 7 or Article 14, as the shall apply.