Only state laws. And not all of them, but many. Tribes have no special privileges to circumvent federal laws unless specifically stated (e.g. Makah whaling ri

Only state laws. And not all of them, but many. Tribes have no special privileges to circumvent federal laws unless specifically stated (e.g. Makah whaling rights nullify the Marine Mammal Protection Act) in a treaty. The rat's nest of auto dealership laws are all at the state level, largely because the other 49 states didn't want Michigan dictating the structure of their transportation sector.