Article 30

(a) Buy, sell and deal in gold coins and bullion.
(b) Buy, sell and deal in foreign currencies, using for this purpose the means usually adopted in banking operations.
(c) Buy, sell and deal in treasury notes and other bonds referred to in Article (28).
(d) Open and maintain accounts abroad.
(e) Open and maintain accounts, and act as agent or correspondent for foreign central banks or similar institutions and for foreign governments and their agencies, as well as for international financial institutions.