COMPLAINT OR HEARING.

(a) An electing company is not, under any circumstances, subject to a complaint, hearing, or determination regarding the reasonableness of the company's: (1) rates; (2) overall revenues; (3) return on invested capital; or (4) net income. (b) This section does not prohibit a complaint, hearing, or determination on an electing company's implementation and enforcement of a competitive safeguard required by Chapter 60.