A sign permit shall be required for any sign not authorized in § 160-38. Sign permit applications shall be accompanied by either a sketch or full description of all proposed signs showing dimensions, materials, color and text, the location of the building, structure or land upon which the sign now exists or is to be erected, the location on the premises, specifically its position in relation to adjacent buildings, structures, property lines, other signs, lighting fixtures, walls and fences, the method of illumination, if any, and the position of lighting or other such extraneous devices, and written consent or a copy of the contract made with the owner of the property upon which the sign is to be erected, if the applicant is not the owner.