Vehicle Code § 16050.5
ARTICLE 3. Evidence of Financial Responsibility
The owner of a vehicle, who has a liability insurance policy with respect to the vehicle, shall, upon request, furnish insurance information to a person who, while operating the vehicle with the owner’s permission, is involved in a reportable accident with the insured vehicle, or to the department whenever the department is required to establish whether the permitted driver meets the financial responsibility requirements of Section 16020.