NY Penal Law § 140.00 says a person in premises open to the public is there with license/privilege unless they defy a lawful order not to enter or remain, personally communicated by the owner or another authorized person.
So, in plain English:
“You have to leave. You are not allowed back.”
The owner does not need to say: “You have to leave because…”
There was a ton of hoopla around this when Radio City and MSG trespassed lawyers that were suing the company and venues.
Everyone was up in arms and nothing happened.