(a) Creation of departments. The Council may by ordinance establish city departments, offices or agencies in addition to those created by this Charter and may prescribe the functions of all departments, offices and agencies, except that no function assigned by this Charter to a particular department, office or agency may be discontinued or, unless this Charter specifically so provides, assigned to any other.
(b) Direction by Manager. All departments, offices and agencies under the direction and supervision of the City Manager shall be administered by an officer appointed by and subject to the direction and supervision of the City Manager. The appointments of the directors of all departments established by the Council or by this Charter shall be subject to the approval of the Council, but approval by the Council shall not be required for the heads of subdivisions of any department, office or agency, or of any other subordinate employee of the city. The City Manager may serve as head of one or more such departments, offices or agencies or may appoint one person as the head of two (2) or more of them.