Cal. Water Code - WAT § 75940. Section 75940.
As used in this chapter:
(a)
“Petitioning district” means a water conservation district which proposes to petition or which has petitioned another water conservation district to annex its territory to that other water conservation district.
(b)
“Annexing district” means a water conservation district which has been petitioned by a petitioning district to be annexed thereto.