California Code
CHAPTER 3 - Election of County Councils
Section 7915.

7915. In counties where members of county councils are to be elected by district, a person seeking election as a member of a county council may seek election only in the district in which she or he resides.

(Added by Stats. 2015, Ch. 726, Sec. 4. (AB 477) Effective January 1, 2016.)