As soon as may be after receipt of a permit to organize, books of subscription to the capital stock and to the preferred stock, if any, may be opened, and when the capital stock and the preferred stock shall have been fully subscribed for, a meeting of the subscribers to the stock of such bank shall be called (each subscriber having had, or waived, at least three days’ notice) for determination of the number and election of directors as herein provided to serve as directors for one year and until their successors are elected.