Thanks to Nancy Klehm for getting us the original link!
The NEW Chicago Composting Ordinance can be found here and here, as well as in the viewer below.
(Original link: https://chicago.legistar.com/LegislationDetail.aspx?ID=2320948&GUID=994EF1DA-3981-4D77-882E-63E168C901DA&Options=Advanced&Search)
Complete ordinance: