The city manager of the city shall have the following administrative duties and powers:

A. The officers of the city, their assistants and other members of the several departments shall have and perform the duties required of such city officers by the laws of Kansas and the ordinances of the city subject to the direction of the city manager and their superior officers.

B. The city manager shall prepare an administrative code which shall prescribe the duties and responsibilities of all the various city officers and employees and which shall also prescribe and set all conditions of employment. The administrative code shall become effective when approved by the city commission.

C. The city manager may appoint one person to perform the duties of two or more offices and the duties of such offices shall not be incompatible by the laws of Kansas. He or she may temporarily perform the duties of any officer during the absence of such officer or when a vacancy exists he or she may temporarily assign the duties of any such office to any qualified officer. (Prior code § 1-402)