California Code, Welfare and Institutions Code - WIC § 14105.38

When the department determines that a drug should be removed from the list of contract drugs, the department shall provide individual notice to impacted beneficiaries, at least 60 calendar days prior to the drug being removed from the list of contract drugs, that the drug is only obtainable through the prior authorization process.  The notice shall include a description of the beneficiary's right to a fair hearing and shall encourage the beneficiary to consult a physician to determine if an appropriate substitute medication is available from Medi-Cal.  The department shall also provide provider notice about the removal at least 60 calendar days prior to the drug being removed from the list of contract drugs on the department's internet website.