The Chief shall, from time to time, as the needs of the City may require, appoint from the approved applicants a sufficient number of regular police officers. If the name of the applicant has been on the approved list for more than six months, the applicant shall take and pass a new examination by the Board of Medical Examiners before being appointed. (Amended 2003, No. M-14 (Adj. Sess.), § 6.)