CA Pub Util Code Section 102056

(a)

Territory within the district may be detached from the district by a supermajority vote of the board of directors, which shall be at least 80 percent of the nonweighted vote of the existing board, and by a majority vote of the governing body of the territory proposed to be detached, provided that the detached territory shall not be relieved from liability for taxation for the payment of any bonded indebtedness existing at the time of detachment, and provided that all other pending legal and financial obligations have been resolved by mutual agreement.

(b)

The detachment of territory from the district shall become effective upon giving of the notice required in Section 57204 of the Government Code.

(c)

Notice of the detachment of territory from the district shall be given to each assessor whose roll is used for a tax levy made pursuant to this part and to the State Board of Equalization pursuant to Chapter 8 (commencing with Section 54900) of Part 1 of Division 2 of Title 5 of the Government Code.