Cal. Health & Safety Code § 1385.001
For the purposes of this article:
(a) “Affiliated entity” means any of the following:
(l) “Passthrough pricing model” means a payment model used by a pharmacy benefit manager in which the payments made by the health care service plan or health insurer client to the pharmacy benefit manager for the covered outpatient drugs are both of the following:
(s) “Pharmacy benefit management fee” means a flat, defined, dollar-amount fee that covers the cost of providing one or more pharmacy benefit management services and that does not exceed the bona fide value of the itemized service or services actually performed by the pharmacy benefit manager on behalf of the payer, that the payer would otherwise perform or contract for in the absence of the service arrangement, whether or not the payer takes title to the prescription drug. The value of the service or services shall be based on the value to the health insurer or health care service plan. A pharmacy benefit management fee may not directly or indirectly be based on or contingent upon any of the following:
(t)
(3) “Pharmacy benefit manager” does not include any of the following:
(v)