(1) Permits issued under ss. 348.25 , 348.26 and 348.27 (1) to (10) , (12) and (13) shall be carried on the vehicle during operations so permitted.
(2) Any person violating this section may be required to forfeit not less than $10 nor more than $20 for the first offense and not less than $25 nor more than $50 for the 2nd and each subsequent conviction within one year.