Upon approval by the Clerk and payment of a permit fee, the Clerk shall issue a permit to the applicant. The permit shall be for a definite period of time and shall authorize the erection, placement, or display of a temporary sign. All permit fees under this chapter shall be fixed and determined by the Council, adopted by resolution, and uniformly enforced. Such permit fee may, from time to time, be amended by the Council by resolution. A copy of the resolution setting forth the currently effective permit fee shall be kept on file in the office of the City Administrator, and be open to inspection during regular business hours.