Duly authorized. A person who is presently authorized to perform all of the functions, exercise all of the powers and discharge all of the duties of an office in the event the office is vacated or at such time as it lacks administration due to the death, absence, or disability of the incumbent officer.

Emergency interim successor. A person designated pursuant to sections 2.1015 to 2.1050 for possible temporary succession to the powers and duties, but not the office, of a city officer in the event that such officer or a duly authorized deputy is unavailable to exercise the powers and discharge the duties of the office.

Officer. Includes all city officers, with powers and duties which are defined by the Charter, Code, ordinances and resolutions of the city, except the office of mayor and does not include the positions of deputies, assistants, or other subordinates of those officers.

Unavailable. Absent or unable to exercise the powers and discharge the duties of an office and includes vacancy.