The City Manager shall appoint, subject to the approval of the City Council, one of the other officers or department heads of the City to serve as Acting City Manager during any temporary absence or disability of both the City Manager and the Assistant City Manager. If the City Manager fails to make such appointment, the City Council may appoint an officer or department head to serve as such Acting City Manager. (Amended November 7, 2000, filed by Secretary of State February 6, 2001.)