When appointing the Police Chief, the Mayor must make that appointment from a member of the Police Department  with a  rank  of not less  than a  Sergeant. Promotions in the Police Department shall be approved and made by the Commission from active personnel of the Department; provided that any member, in order to be eligible for appointment to the rank of Captain through Chief of the Department, shall be required to have served continuously as an active member of the department for at least five years immediately preceding his appointment to Captain or above, and also provided that he has attained the rank of Sergeant through the process herein provided. The Mayor of said city shall have the authority to appoint Captains through Chief of Police under the conditions herein set out.
('74 Code, § 20-135) (Ord. S-233-82, passed 12-28-82)