(a) Except as provided for herein, this article applies to proceedings commenced by the issuance of a notice of hearing, or other notice or order commencing a proceeding on a rate application issued by the Commissioner pursuant to Insurance Code Section 1861.05, subdivision (c).

(b) This article shall not apply to applications for exemption from Insurance Code Section 1861.01(a), file and use rate applications filed prior to November 8, 1989, or applications for rate changes pursuant to Insurance Code Section 1861.05 which are filed prior to July 1, 1993. Refiling of applications for rate changes pursuant to Insurance Code Section 1861.05 shall be made by filing the Department cover sheet entitled “Cover Sheet for Re-Filing of Application for Approval of Insurance Rates,” Department form number CA-RA1, dated May 1, 1993, which is incorporated by reference. In addition, for those applications which were submitted with data that is no longer current, updated data must also be submitted with the cover sheet.