All rules, regulations, and ordinances relating to the design, construction, quality of materials, erection, installation, alteration, repair, location, relocation, replacement, addition to, use, change of occupancy, or maintenance of existing buildings, established by the IEBC, published under the authority of the International Code Council, Inc., is adopted as the Existing Building Code as amended, and except to the extent that those rules and regulations are hereby changed, altered, or amended by this code. (Ord. 2020-638, 12-9-2020)