Artikel 15

If in spite of the provisions of Article 13 or Article 14 of the present Agreement nationals of the one Contracting Party, or enterprises carried on by residents of the one Contracting Party would be subjected in the territory of the other Contracting Party to any tax, levy or charge, or any requirement connected therewith which is more burdensome than the taxes, levies and charges, and connected requirements to which nationals of any third State, or enterprises carried on by residents of any third State are or may be subjected, then the first-mentioned nationals or enterprises shall not be subjected in the territory of the other Contracting Party to any tax, levy or charge, or any requirement connected therewith which is more burdensome than the taxes, levies and charges, and connected requirements to which nationals of such third State, or enterprises carried on by residents of such third State are or may be subjected.