A cooperative corporation covering more than one island or an area which in the opinion of the shareholders is too large for their convenient assembling may provide in its bylaws for the formation of districts and the holding of district meetings which may elect one or more delegates to represent their districts in annual and special meetings of the corporation, in a manner to be specified in the bylaws. The vote of such delegates shall be the vote of all the shareholders appearing upon the books of the corporation as residing in their respective districts, on all questions not covered by ballots submitted to all shareholders.