Each recreational vehicle shall be registered by May 1 of each year, using forms provided by the Building Superintendent, which will contain information pertaining to any vehicle defined within this chapter which may be either parked or stored within the City boundaries that year. Upon the payment of a registration fee of three dollars ($3.00) per recreational vehicle, the Building Superintendent shall issue a registration card for the recreational vehicle. Such registration card shall bear a number unique to each recreational vehicle registered and shall be placed in a conspicuous place on the vehicle.