California Code, Health and Safety Code - HSC § 1385.008

On or after January 1, 2027, or the date on which the department has established the licensure process pursuant to Section 1385.009, whichever is later, a person shall not engage in business as a pharmacy benefit manager for a payer in this state unless that person has first secured a license from the director.  A license issued pursuant to this article is not transferable without the express and specific permission of the director.