Section 380.8 - Code of ordinances published1.a. A city shall compile a code of ordinances containing all of the city ordinances in effect, except grade ordinances, bond ordinances, zoning map ordinances, ordinances vacating streets and alleys, and ordinances containing legal descriptions of urban revitalization areas and urban renewal areas.b. A city may maintain a code of ordinances either by compiling at least annually a supplement to the code of ordinances consisting of all new ordinances and amendments to ordinances which became effective during the previous year and adopting the supplement by resolution or by adding at least annually new ordinances and amendments to ordinances to the code of ordinances itself.c. A city which does not maintain the city code of ordinances as provided in paragraph "b" shall compile a code of ordinances at least once every five years.2.a. If a proposed code of ordinances contains only existing ordinances without change in substance, the council may adopt the code by ordinance.b. If a proposed code of ordinances contains a new ordinance or an amendment to existing ordinances, the council shall hold a public hearing on the proposed code before adoption. The clerk shall publish notice of the hearing as provided in section 362.3. Copies of the proposed code of ordinances must be available at the city clerk's office and the notice must so state. Within thirty days after the hearing, the council may adopt the proposed code of ordinances. A new ordinance or an amendment to an existing ordinance becomes effective upon publication of the ordinance adopting the code of ordinances unless a subsequent effective date is provided within an ordinance. If the council substantially amends the proposed code of ordinances after the hearing, notice and hearing must be repeated before the code may be adopted.3. A code of ordinances compiled and maintained at least annually, or compiled at least once every five years, is presumptive evidence of the passage, publication, and content of the ordinances codified therein as of the date of the clerk's certification of the ordinance adopting the code or supplement.R60, §1133; C73, §492; C97, §686, 687; C24, 27, 31, 35, §5720, 5721, 5721-a1; C39, §5720, 5721, 5721.1; C46, 50, §366.7- 366.9; C54, 58, 62, 66, 71, 73, §366.7; C75, 77, 79, 81, §380.897 Acts, ch 168, §9Referred to in §331.302, 622.62