Cal. Welf. & Inst. Code § 11333
(a) Except as provided in subdivision (b), counties shall contract for the provision of intensive case management services, as described in subdivision (b) of Section 11331.7 and in Section 11332.5, with public or nonprofit agencies or school districts that administer services pursuant to one or more of the following intensive case management models:
(b) In cases where services from contractors administering one or more of the models specified in subdivision (a) are not available or cost effective, counties may contract with other public or nonprofit agencies or school districts for intensive case management services or provide intensive case management services directly if all the following conditions are met: