The title of all ordinances each ordinance shall be read twice with at least five days15 intervening between the first and second reading. The ordinance shall be signed by the mayor16 or acting mayor or president of the Board of Trustees, filed with the auditor or clerk, and17 published once except that. However, an ordinance incorporating and adopting comprehensive18 regulations or a code promulgated, approved, and published by a recognized and established19 national organization prescribing building, electrical, plumbing, safety, fire, health, or milk20 regulations need not be published in a newspaper, but upon. Upon adoption of such an21 ordinance the auditor or clerk shall publish a notice of the fact of adoption once a week for two22 successive weeks in the official newspaper, and twenty thirty-five days after the completed23 publication of such the notice, unless the referendum shall have has been invoked, such the24 - 3 -SB ordinance shall become becomes effective.