(a) This chapter applies only to a hearing required to be held before a decision may be rendered or action taken by the commissioner or the department.
(b) If a provision of this code or another insurance law of this state requires that the commissioner take an action at a hearing subject to this chapter, the commissioner shall take the action after receipt of a proposal for decision from the office regarding the hearing conducted by the office.
(c) This chapter does not apply to a proceeding conducted under Chapter 201 or to a proceeding relating to:
(1) approving or reviewing rates or rating manuals filed by an individual company, unless the rates or manuals are contested;
(2) adopting a rule;
(3) adopting or approving a policy form or policy form endorsement;
(4) adopting or approving a plan of operation for an organization subject to the jurisdiction of the department;
(5) adopting a presumptive rate under Chapter 1153; or
(6) a workers' compensation claim brought under Title 5, Labor Code.