I just think that law is starnge. You do not have to wear a helmet on a motorcycle but you have to make sure you have mirrors if you take the doors off.
...Sergeant of the Utah Highway Patrol eho juts happens to be in my office today for training. he agreed with me hands down that first, do not confuse safety inspections with highway laws, they are separate entities...
To add to my last reply, he just seen my Passport;
His exact words were "that is perfectly legal via the traffic laws which I enforce, but not legal based on safety codes. So you would be legal everywhere but a safety inspection station."