Council may, by affirmative vote of five (5) of its members, submit to the electors any proposed amendment, or amendments, to this Charter, or upon petition signed by not less than ten (10) percent of the electors of the Municipality setting forth any proposed amendment, or amendments, to this Charter, the Council shall forthwith submit such proposed amendment, or amendments, to the electors in accordance, in each instance, with the provisions of the Constitution and the laws of the State of Ohio now or hereafter in effect.