Section 10123.203.

Cal. Insurance Code - INS § 10123.203.
in effect
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Commencing January 1, 2019, an insurer shall prorate an insured’s cost sharing for a partial fill of a prescription dispensed pursuant to Section 4052.10 of the Business and Professions Code. This section shall only apply to oral, solid dosage forms of prescription drugs.

References

referencesCal. Business and Professions Code - BPC § 4052.10.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

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