Cal. Welfare and Institutions Code § 14166.125

(a) Effective the first fiscal year in which reimbursement to private hospitals is provided under the diagnosis-related group methodology established pursuant to Section 14105.28, the director shall allocate the Private Hospital Supplemental Fund among eligible private hospitals pursuant to a methodology developed in consultation with the statewide associations representing children’s hospitals and private DSH hospitals. (b) Subject to subdivision (a), for the 2013–14 fiscal year only as a transition, this methodology shall, to the extent possible, ensure that each eligible hospital is allocated funding at a proportionate level of payments it received for the 2011–12 fiscal year, taking into consideration applicable eligibility criteria and the amount of funding available in the Private Hospital Supplemental Fund established in Section 14166.12.