California Code, Water Code - WAT § 40336

If any district is appointed fiscal agent of or by the United States in connection with any federal reclamation project, the directors and the treasurer shall each execute an additional bond in the sum required by the Secretary of the Interior, conditioned for the faithful discharge of his duties and the faithful discharge of the district of its duties under the appointment. These bonds may be sued upon by the United States or any person injured by the failure of these officers promptly and completely to perform their respective duties.