qualified banking or financing income

(i) is derived in the active conduct of a banking, financing, or similar business by—

(I) such eligible controlled foreign corporation, or

(II) a qualified business unit of such eligible controlled foreign corporation,

(ii) is derived from one or more transactions—

(I) with customers located in a country other than the United States, and

(II) substantially all of the activities in connection with which are conducted directly by the corporation or unit in its home country, and

(iii) is treated as earned by such corporation or unit in its home country for purposes of such country's tax laws.