I don't understand how they could possibly do that, surely they have no say when it comes to non road legal vehicles? There are no regulations for them, if it's on private land and you have permission you can ride or drive absolutely anything you like.
I'm pretty sure that in California most of the offroad places people ride aren't private land, they're public, municipally-, state- or Federally-owned .
Over here, BTW, all traffic laws apply to private land as well (bikes must be registered & insured, riding licenses required etc.)
Is that the thing where you have to get the sticker to go on your bike, think it's green or orange? I've seen a couple cop stop videos where people have had to show them when riding off road. Even then I don't see how they could regulate a vehicle that might only ever be ridden on your own land. Sure people may ride them on state owned land but not everyone will, so what they need to do instead is only hand out those stickers to electric bike owners.
Regarding the traffic laws, is that only if it's someone else's land? Surely they can't do anything if its your own land. What about motocross tracks, does every single rider really have their race bikes registered and insured? Are there any other requirements for them such as emissions or safety testing?
Other than being able to lane split Cali is starting to sound like a pretty bad place to live when it comes to motor vehicles.
Sorry, I wasn't clear. I'm not in California, I'm in Israel
Over here all the laws that apply on public lands apply on private land, no matter whose, no exceptions whatsoever (to people to whom that sounds weird, does it seem weird that it also applies to non-traffic laws forbidding, say suicide or drug use? AFAIK, in most if not all jurisdictions they also apply on private property just as much as they do on public land).
Re motorcross here, or any form of racing, that requires separate specialty licensure, insurance & safety testing (I think there's a waiver for emissions), and anyone caught doing any kind of racing without them will have the bike confiscated and hefty fines at least.