Subject to the following amendments, the 2021 edition of the International Building Code (IBC) including Appendix K, electrical administrative process, and 2021 edition of the International Residential Code (IRC) including Appendix F, radon control methods, Appendix J, Existing Buildings and Structures, are adopted. Additionally, the City further adopts, Section 103.6(1)(a) of the Iowa Code (the Iowa State Electrical Code), Section 105.4(1)(a) of the Iowa Code (the Iowa State Mechanical Code and the Iowa State Plumbing Code). Collectively, they shall be known as the Iowa City building code or the building code. Interpretations of the building official may be guided by publications of the International Code Council, Inc., or the International Existing Building Code. (Ord. 19-4777, 2-5-2019; amd. Ord. 23-4903, 6-20-2023)