SCOPE OF RULES.

The commission may adopt and enforce rules to: (1) require certification or registration with the commission as a condition of doing business in this state, except that this requirement does not apply to municipally owned utilities; (2) amend certificates or registrations to reflect changed ownership and control; (3) establish rules for customer service and protection; (4) suspend or revoke certificates or registrations for repeated violations of this chapter or commission rules, except that the commission may not revoke a certificate of convenience and necessity of an electric utility except as provided by Section 37.059 or a certificate of convenience and necessity of a telecommunications utility except as provided by Section 54.008; and (5) order disconnection of a pay telephone service provider's pay telephones or revocation of certification or registration for repeated violations of this chapter or commission rules.