Cal. Const. art. XI, § 8
California Constitution Article XI, Section 8
(a) The Legislature may provide that counties perform municipal functions at the request of cities within them. (b) If provided by their respective charters, a county may agree with a city within it to assume and discharge specified municipal functions. (Sec. 8 added June 2, 1970, by Prop. 2. Res.Ch. 331, 1969.)