The City Council shall review the provisions of this chapter, any related rules, regulations or policies and the effectiveness of the city’s public art program periodically as deemed appropriate, and may amend this chapter and/or other elements of the city’s public art program that in the city council’s discretion may enhance the city’s public art program and its benefits. As part of such review or otherwise, the city council may seek the recommendations of the Public Art Committee concerning potential improvements to the city’s public art program. The Public Art Committee may also on its own initiative make recommendations to the City Council concerning improvements to the public art program.