California Code, Penal Code - PEN § 830.75

(a) Notwithstanding subdivision (b) of Section 830.7, a person regularly employed as a security officer for an independent institution of higher education recognized under subdivision (b) of Section 66010 of the Education Code may be deputized or appointed by the sheriff or the chief of police of the jurisdiction in which the institution is located as a reserve deputy or officer pursuant to Section 830.6, notwithstanding that he or she is compensated by the institution of higher education or that the assigned specific law enforcement functions and duties may be of a recurring or continuous nature, if both of the following requirements are met:

(b) The authority of a person designated as a peace officer pursuant to this section extends to any place in the state and applies only while he or she is engaged in the performance of his or her assigned duties for his or her institution of higher education pursuant to the memorandum entered into pursuant to paragraph (2) of subdivision (a).  The primary duty of a person designated as a peace officer pursuant to this section shall be the enforcement of the law upon the campuses of his or her institution of higher education and within one mile of the exterior of those campuses, and in or about other grounds and properties owned, operated, controlled, or administered by that institution of higher education.

(c) Vehicles owned by an independent institution of higher education that are specifically designated for use by persons designated as peace officers pursuant to this section shall be deemed authorized emergency vehicles for all purposes of the law within the institution's jurisdiction.