Government Code § 58902
CHAPTER 3.5. Notice of Formation or Change in Boundaries of Districts
Except as herein otherwise provided, this chapter shall apply to all districts. This chapter shall not apply to any boundary change which is approved by all of the owners of real property proposed to be included within, or proposed to be excluded from, the district, nor to any proceeding commenced or conducted with respect to forming a metropolitan water district or separation of grade district or changing the boundaries thereof.