This ordinance, File No. 250542, significantly amends the Planning Code to update regulations concerning fenestration, transparency, and sign requirements, primarily impacting C-3 (Downtown Commercial) and RC (Residential-Commercial) Districts. Key changes include principally permitting certain non-retail sales and service uses (like general office and business services) on the ground floor in C-3 Districts until December 31, 2030, after which they become conditionally permitted. It also principally permits retail and non-retail sales and service uses on the second floor and above in RC Districts. The ordinance updates transparency requirements for ground floor active uses, with exemptions for facilities like childcare, homeless shelters, and religious institutions. Furthermore, it defines