The Director of the Office of Intergovernmental Research shall be chosen by the Mayor from a list of possibilities provided from time to time by the Civil Service Commission. The Director:shall serve during good behavior for a term not to exceed the term of the appointing authority; shall be subject to removal only after charges are preferred by the Mayor and a full hearing is had before the Civil Service Commission; and shall be discharged only upon proof of inefficiency, neglect of duty, or misconduct in office. The Director’s successor shall be chosen in the same manner. From time to time, as there is a vacancy, the Mayor shall choose and appoint the Director of the Office of Intergovernmental Research in the same manner. City Code, 1976/83, art. 1, §182(b) Ord. 79-1208