ADA..
Americans with Disabilities Act.
I personally don’t like this law, as it does things like make a small business install elevators, wheelchair ramps and so on.
This includes mentally handicapped also.
Autistic qualifies.
They can’t be denied service.
Period.
That’s also how you get service dogs in your restaurant.
They can’t be denied service, but, the restaurant can opt out of being part of the school program.
“That’s also how you get service dogs in your restaurant.”
Trained service dogs are more well behaved than most adults.