Should any water users' association at its annual meeting fail to elect a lateral manager or fix his compensation such lateral manager may be elected by the board of directors of such association, who may also fix his compensation. The manager of any lateral shall, in addition to the duties prescribed by the association, perform all duties fixed for such lateral manager under the provisions of sections 42-907 and 42-910, [Idaho Code,] except as modified by this chapter.
Idaho Code § 42-1302