California Code, Water Code - WAT § 36428

(a) The intention of the board to add certain territory to Improvement District No.____________________ of ____________________ District;

(b) That a map showing the exterior boundaries of the territory to be annexed, which map shall govern for all details as to the extent of the area to be annexed, is on file with the secretary of the district and is available for inspection by any person or persons interested;

(c) The terms and conditions of annexation, if any;

(d) If assessments will be levied for carrying out any purpose of said improvement district including the payment of principal of and interest on any general obligation bonds or warrants outstanding, such assessments shall be levied exclusively upon the lands in said proposed improvement district including the territory annexed thereto;

(e) If revenues are to be used for carrying out any purpose of such improvement district, including the payment of principal of and interest on any revenue bonds outstanding, such revenues shall be limited to revenues derived from the operation of the improvement district works, including the territory annexed thereto.

(f) The time and place for hearing by the board on the question of the annexation of said territory to said improvement district and any other matter relating to any of the foregoing;  and

(g) That at said time and place any persons interested including persons owning land within the area to be annexed to the improvement district may appear and be heard.  Notice of said hearing shall be given in the same manner as provided in Section 36414.