Upon receipt of the application referred to in Section 804.03, accompanied by the proper fee, and if approval by another officer or department is not required, the Clerk-Treasurer, by and with the written approval of the Mayor or the Administrator, shall forthwith deposit the fee in the Treasury and issue to the applicant a proper license certificate signed by the Clerk-Treasurer and by the Mayor or the Administrator. If, for any reason, the license is not issued, the aforesaid fee, less five dollars ($5.00) to cover expenses of considering such application, shall be returned to the applicant.