Cal. Ins. Code § 1022

Such notice shall be published in a newspaper of general circulation, published in the county in which the proceeding is pending, and in the Counties of Alameda, Los Angeles, Sacramento, San Diego, San Francisco, and Santa Clara, not less than once a week for four successive weeks. A copy of the notice, accompanied by an affidavit of due publication, including a statement of the date of first publication, shall be filed with the clerk of the court.