California Code, Insurance Code - INS § 1730.5

A life agent, a property broker-agent, and a casualty broker-agent shall provide to all insureds or applicants at the time of application or receipt of premium moneys the effective date of coverage, if known, or the circumstances under which coverage will be effective if there exists conditions precedent to coverage.  This section shall apply only to coverage for personal lines of insurance, such as private passenger automobile, homeowner and renter insurance, personal liability, and individual disability and health insurance.