Each proposed ordinance shall be introduced in writing by a member of the Council, and, in addition to the title, shall contain an opening clause reading as follows, “Be it ordained by the Council of the City of Nelsonville, Ohio.” The action proposed to be taken shall be fully and clearly set forth in the body of the ordinance. Each ordinance shall contain one subject only, which shall be d clearly in the title. No ordinance shall be passed without the concurrence of a majority of all the members elected to Council, except that emergency ordinances, as hereinafter provided, shall require concurrence of five (5) members elected to Council for passage. Every ordinance shall be fully and distinctly read on two (2) different days before its enactment, unless an emergency is declared as hereinafter provided, or unless, by a vote of five (5) members elected to Council, the reading in full on two (2) different days is dispensed with, in which cases such ordinance may be read one (1) time and passed on the day as such reading. Final passage of all ordinances and resolutions shall be certified by the Mayor or Vice-Mayor and the Clerk of Council.