Cal. Water Code - WAT § 46305. Section 46305.
Upon adoption of a resolution by the board to construct additional units pursuant to Article 2 (commencing with Section 42225), Chapter 1, Part 5 of this division, the same proceedings for levying, approving, and collecting an assessment to meet the cost of the unit or units to be constructed shall be had as provided in this chapter for an assessment to meet the cost of the unit or units first constructed.