Immediately upon receipt of any application for license under this chapter, one copy of the application shall be immediately referred to the Chief of Police, who shall proceed to investigate the character of the Applicant, of the Person who is to have direct management of the premises, and of the Person or Persons who have any interest in such business; he shall also investigate the character of the premises proposed to be licensed, and the propriety of the use of such premises for the conduct of the business proposed to be licensed. (Prior code § 11.4).