(a) Any citizen or number of citizens of this State or any policyholder or policyholders, or any insurance company affected by this subchapter, or any board of trade, chamber of commerce, or other civic organization, or the civil authorities of any town, city, or village, shall have the right to file a petition with the Board, setting forth any cause of complaint that they may have as to any order made by this Board, or any rate fixed and determined by the Board, and they shall have the right to offer evidence in support of the allegations of such petition by witnesses, or by depositions, or by affidavits; upon the filing of such petition, the party complained of, if other than the Board, shall be notified by the Board of the filing of such petition and a copy thereof furnished the party or parties, company or companies, of whom complaint is made, and the said petition shall be set down for a hearing at a time not exceeding thirty (30) days after the filing of such petition and the Board shall hear and determine said petition; but it shall not be necessary for the petitioners or any one of them to be present to present the cause to the Board, but they shall consider the testimony of all witnesses, whether such witnesses testify in person or by depositions, or by affidavits, and if it be found that the complaint made in such petition is a just one, then the matter complained of shall be corrected or required to be corrected by said Board.
(b) Notwithstanding Subsection (a) of this article, on and after the effective date of S.B. No. 14, Acts of the 78th Legislature, Regular Session, 2003, rates for homeowners and residential fire and residential allied lines insurance coverage under this subchapter are determined, and hearings related to those rates are conducted, as provided by Subchapter Q of this chapter, and rates for other lines of insurance subject to this subchapter are determined as provided by Article 5.13-2 of this code, except that on and after December 1, 2004, rates for all lines of insurance subject to this subchapter are determined as provided by Article 5.13-2 of this code.