California Code, Vehicle Code - VEH § 9102

The fees specified in this code except fees for duplicate plates, certificates, or cards need not be paid for any vehicle owned by an educational institution of collegiate grade not conducted for profit and having an enrollment of 5,000 students or more and having an acreage of 5,000 acres or more, if such vehicle is used for fire-fighting purposes within the limits of the acreage of such institution and is operated principally on roads owned by such institution.