California Code, Welfare and Institutions Code - WIC § 14105.332

State and federal rebates that are owed to the state for drugs dispensed to Medi-Cal beneficiaries shall not be reduced to the state if a manufacturer reports, to the federal Centers for Medicare and Medicaid Services or the department, a revised drug product's average manufacturer price or best price as these terms are defined pursuant to Section 1927 of the federal Social Security Act (42 U.S.C. Sec. 1396r-8) for any calendar quarter in which the rebate was due.