Then provide a reference to that law. They don't seem to be required in IL, on federal vehicles: https://news.ycombinator.com/item?id=45532733 https://news.yco

Then provide a reference to that law. They don't seem to be required in IL, on federal vehicles: https://news.ycombinator.com/item?id=45532733 https://news.ycombinator.com/item?id=45532733