In order to carry out the provisions of this chapter, the Commission shall adopt and administer regulations in accordance with the following procedures:
(1) Within 1 year from May 4, 1965, the Commission shall propose regulations pursuant to the purposes specified in this chapter, and shall hold at least 1 public meeting, notice of which shall have been given by publication at least 15 days before said meeting in a newspaper of general circulation in the County. Copies of the proposed regulations shall be available to the public without charge at a place or places stated in said notice. Within 120 days after said meeting, the Commission may adopt the regulations as proposed or may make any amendment, change or addition thereto, except that prior to the adoption thereof the same procedures shall be followed;
(2) Prior to the adoption by the Commission of any subsequent amendment, change or addition to said regulations, the same procedures shall be followed;
(3) No regulation adopted by the Commission shall become effective unless and until approved by the County Council.