(a) The department shall require an annual audit of an advisory organization that provides statistics or other information to the department in a proceeding to set rates.
(b) The audit must:
(1) be conducted at the expense of the advisory organization under rules adopted by the commissioner; and
(2) examine the advisory organization’s method of collecting, analyzing, and reporting data to ensure the accuracy of data.

(c) The audit may examine source documents within individual companies.
(d) Except for individual company information, an audit is public information.