The Chief of Police shall cause to be kept in the Chief's office an accurate record of each application received and acted upon, together with all other information and data pertaining thereto and all Certificates of Registration issued under the provisions of this chapter and of the denial of applications. Applications for certificates shall be numbered in consecutive order, as filed, and every certificate issued and any renewal thereof shall be identified with the duplicate number of the application upon which it was issued.
('74 Code, § 15-32)