(a) The association may present a recommendation for a change in the plan of operation to the department at:
(1) periodic hearings conducted by the department for that purpose; or
(2) hearings relating to property and casualty insurance rates.
(b) The association must present a proposed change to the department in writing in the manner prescribed by the commissioner. A proposed change does not take effect unless adopted by the commissioner by rule.
(c) An interested person may, in accordance with Chapter 2001, Government Code, petition the commissioner to modify the plan of operation.