386.760.  Public service commission to administer and ensure compliance — promulgation of rules. — 1.  The public service commission shall have full authority to administer and ensure compliance with sections 386.754 to 386.764, provided that the commission shall not impose, by rule or otherwise, requirements regarding HVAC services that are inconsistent with or in addition to those set forth in sections 386.754 to 386.764 or with requirements set forth in section 386.315.

  2.  The public service commission shall not adopt any rule, tariff, order, or any other action that purports to allow a violation of sections 386.754 to 386.764.

  3.  No rule or portion of a rule promulgated pursuant to the provisions of sections 386.754 to 386.764 shall become effective unless it has been promulgated pursuant to the provisions of chapter 536.