California Code, Insurance Code - INS § 929

(a)(1) On or before April 1, 2020, and every two years thereafter, an admitted insurer with written California premiums totaling ten million dollars ($10,000,000) or more shall submit a report to the commissioner on its residential property experience data for the previous two years for policies written in California.

(2) The premium threshold for reporting shall be increased to twelve million dollars ($12,000,000) for the reports due on April 1, 2026, and shall thereafter be increased every five years by 20 percent of the threshold amount required in the year immediately preceding the increase.

(3) Reports filed on April 1, 2020, shall include data from calendar years 2018 and 2019. Subsequent reports shall likewise include data from the two calendar years immediately preceding the year in which the report is due.

(1) Fire- or wildfire-incurred losses, if any, reported by property coverage category and the date of the loss.

(2) The public protection class or its equivalent, if utilized by the insurer.

(3) The specific numerical or other fire risk score and source of fire risk score, if applicable.

(4) Premium.

(5) ZIP Code.