No ordinance shall become effective until 30 days from and after the date of its final passage, except:
- (a) An ordinance calling or otherwise relating to an election.
- (b) An ordinance for the immediate preservation of the public peace, health, or safety that contains a declaration of, and the facts constituting, its urgency and is passed by a four-fifths vote of the city council.
- (c) Ordinances relating to street improvement proceedings.
- (d) Other ordinances governed by particular provisions of state law prescribing the manner of their passage and adoption.