N.Y. Civ. Rights Law § 40-B
No person, agency, bureau, corporation or association, being the owner, lessee, proprietor, manager, superintendent, agent or employee of any place of public entertainment and amusement as hereinafter defined shall refuse to admit to any public performance held at such place any person over the age of twenty-one years who presents a ticket of admission to the performance a reasonable time before the commencement thereof, or shall eject or demand the departure of any such person from such place during the course of the performance, whether or not accompanied by an offer to refund the purchase price or value of the ticket of admission presented by such person; but nothing in this section contained shall be construed to prevent the refusal of admission to or the ejection of any person whose conduct or speech thereat or therein is abusive or offensive or of any person engaged in any activity which may tend to a breach of the peace.
The places of public entertainment and amusement within the meaning of this section shall be legitimate theatres, burlesque theatres, music halls, opera houses, concert halls and circuses.
N.Y. Civ. RightsLaw § 40-B