The city council may from time to time amend, supplement, or change this article. The amendment, supplement, or change may be petitioned for by any person, corporation, or group of persons by filing an application and paying an application fee to the department. Proposals for amending, supplementing, or changing this article in the public interest may also be initiated by motion of the city council or the city plan commission. Before taking any action on a proposed amendment, supplement, or change, the city council shall submit the same to the city plan commission for its recommendation and report. (Ord. Nos. 19455; 20927; 25047; 28073)