The investment can be made in U.S. dollars.

The central bank issued a notice on the southbound cooperation on interconnection between the mainland and Hong Kong bond markets. Domestic investors can use RMB or foreign exchange to participate in the "Southbound Connect", and the relevant funds can only be used for bond investment.

Foreign exchange includes foreign currency, foreign currency deposits, foreign currency securities (government bonds, treasury bills, corporate bonds, stocks, etc.), and foreign currency payment certificates (bills, bank deposit certificates, postal savings certificates, etc.).