7. Common Seal
The common seal of the Board shall be kept locked with two locks, of one of which locks the Chairman shall have a key, and of the other which locks the Secretary shall have a key, and a duplicate of each of such keys shall be lodged at such Bank as the members may direct, and the common seal shall be affixed by the Chairman of the members and one other of the members with the Secretary, or in the absence of such Chairman, by two members of the Board and the Secretary.