Wis. Admin. Code § Trans 152.126 – Display of IRP plates.

(1) The department may issue one registration plate to each vehicle registered under the auspices of the IRP.
(2) If the vehicle is a truck tractor, road tractor or motor truck, the registration plate shall be attached firmly and rigidly in a horizontal position in a conspicuous place on the front of the vehicle.
(3) If the vehicle is a semitrailer or trailer, the registration plate shall be attached firmly and rigidly in a horizontal position in a conspicuous place on the back of the vehicle.
(4) The plate shall at all times be maintained in a legible condition and shall be so displayed that it can be readily and distinctly seen and read.
(5) Any peace officer may require the proper display of a plate pursuant to this section.

History: Cr. Register, May, 1997, No. 497, eff. 6-1-97.