(a) The commissioner after public hearings shall promulgate regulations designating those consumer commodities which shall come within the scope of section 20-709 of this subchapter whenever the commissioner shall find that, because of the nature, form, mode of packaging or other reason, such price display for that commodity shall be necessary and appropriate to provide adequate information to the consumer.
(b) The commissioner shall promulgate regulations exempting any class or classes of retail establishments from the requirements of section 20-709 hereof or modifying its application with respect to any class or classes of retail establishments to the extent that and under such conditions as are consistent with the policy of this subchapter whenever the commissioner shall find that, because of the nature of such class or classes of retail establishments, compliance with section 20-709 hereof is unreasonably burdensome or unnecessary for adequate protection of consumers.
(c) The commissioner shall promulgate such other regulations as shall be necessary in his or her discretion to effectuate the purposes of this subchapter, including but not limited to, requirements as to the manner of display of unit price information.