The benefits you receive from your employment at NYU are negotiated for you by UCATS and are articulated in the Collective Bargaining Agreement.
As a member of UCATS, however, you are also a member of New York State United Teachers (NYSUT), the American Federation of teachers (AFT), the National Education Association (NEA), and the AFL-CIO. Each of these labor federations has a member benefits page on their website and as a UCATS member you are entitled to take advantage of the benefits they offer.
In some cases there may be a notation that a particular benefit is not available to members in New York State; all that means is that a comparable or better version of that benefit is available from NYSUT.