Notwithstanding subdivision (c) of Section 1 of Chapter 501 of the Statutes of 1971, the department shall, within the limitations of funds appropriated, contract with an appropriate private nonprofit corporation or corporations to operate regional centers as follows:
(a) One regional center to serve the Counties of Inyo, Kern, and Mono.
(b) One regional center to serve the Counties of Riverside and San Bernardino.