A class of appliances shall be required to be labeled as to energy use and efficiency upon adoption of a rule by the commission requiring that labeling. Such a rule may only be adopted upon the establishment of a voluntary federal program of energy labeling for a class of appliances, and shall be promulgated by the commission pursuant to Act No. 306 of the Public Acts of 1969, as amended, being sections 24.201 to 24.315 of the Michigan Compiled Laws. Upon promulgation of a rule, the commission shall also make an affirmative finding that the rule will:
MCL 429.354