SEC. 2.31. POLICE DEPARTMENT. A Police Department is hereby established. The Head of this Department shall be known as the Chief of Police, and the number of additional members and employees of the Police Department shall be determined by the Council which may be changed from time-to-time. The Mayor shall have, without the approval of the Council, authority to appoint additional members of the Police Department for temporary duty when in his judgment an emergency exists for the preservation of life or property. The Chief of Police and all members of the Police Department shall have the powers and authority of police officers generally and shall perform such duties as are required of them by the Council or by law. Community Service Officers, non-sworn members of the Buffalo Police Department, shall have full authority to take action upon, or issue citations for all petty misdemeanor or misdemeanor violations of the City Code, unless otherwise restricted by law. Unless specifically noted otherwise, any reference in City Code to "Police Officer" or any derivation of the term thereof, shall also apply equally to Community Service Officers, except as may be inappropriate or unlawful. The Council may establish by resolution, and from time to time revise and amend, a policy relating to investigations and procedures of the Department. The Chief of Police shall have overall supervision and management of the Police Department and custody of all property used and maintained for the purposes of said Department. The Chief of Police shall submit a periodic report to the Council covering the work of his Department for intervals required by the Council.