California Code, Insurance Code - INS § 11754

If the commissioner has good cause to believe that a rating or advisory organization or an insurer does not comply with the requirements of this article applicable to it, he shall, unless he has good cause to believe that such noncompliance is wilful, give notice in writing to such organization or insurer, stating therein in what manner and to what extent such noncompliance is alleged to exist and specifying therein a reasonable time, not less than 10 days thereafter, in which such noncompliance may be corrected. Notices under this section shall be confidential as between the commissioner and the organization or insurer unless a hearing is held under Section 11754.1.