The Council of the District of Columbia after public hearing is authorized to make and promulgate regulations to carry out the purposes of this subchapter. The regulations initially adopted by the Council under the authority of this section to carry out the purposes of part C of this subchapter shall become effective on the effective date of such sections, if, not less than 10 days prior to such date, the Council has adopted such regulations and printed a notice of such adoption in a newspaper of general circulation in the District. Otherwise, the regulations adopted by the Council under the authority of this section shall become effective 10 days after notice of their adoption has been printed in a newspaper of general circulation in the District.