Permits for the privilege of transporting passengers for hire from the Terminal Building at W.K. Kellogg Regional Airfield shall be issued by the City Clerk after application therefor on forms to be furnished by the City and upon the payment of a fee for such privilege in the amount set forth in the schedule provided for in Section 802.24. Such fee shall be paid in advance and permits may be issued upon payment of the required fee for a period not to exceed twelve months. No permit shall be issued for a period of less than one month. Such permits shall be valid for employees or servants of the person to whom they are issued, but shall not otherwise be assignable or transferable.