Note:49 CFR s. 565.13, requires that vehicle identification numbers (VINs) be affixed to passenger cars, multi-purpose passenger vehicles, low-speed vehicles and trucks of 4,536 Kg or less (10,000 lbs.) adjacent to the left windshield pillar. The vehicle manufacturer is required to make the VIN visible; however, it may be obstructed by materials within the vehicle.
Wis. Admin. Code Department of Transportation Trans 319.05