Artikel 9

(a). Provided he is duly authorised to do so by the Turkish authorities and subject, where necessary, to the exchange control rules and regulations of the creditor country concerned, a creditor may use, in Turkish currency, any payment in the process of transfer that is owed to him, or any part thereof, for investment or other expenditure in Turkey for his own account.
(b). To the extent that it is to be used by virtue of the preceding paragraph, the payment in the process of transfer shall be reconverted into Turkish currency at the effective rate of exchange ruling in Turkey at the date of the reconversion for operations of the same kind effected by means of new remittances in foreign currency.