Upon the receipt of an application for a license or permit where ordinances of the City necessitate an inspection or investigation before the issuance of such permit or license, the City Clerk shall refer such application to the proper officer for making such investigation within forty eight (48) hours from the time of such receipt. The officer charged with the duty of making the investigation or inspection shall make a report thereon, favorable or otherwise, within ten (10) days after receiving the application or a copy thereof. (1983 Code § 6.105)