N.Y. Comp. Codes R. & Regs. tit. 7, § 712.2
(h) The publication should not:
(7) depict or describe hand signs, insignias, graffiti, or any other identifiers depicting or pertaining to a gang, or text that describes or depicts gang or other unauthorized group activity in such a way that it would promote or instruct in the formation of such groups inside a correctional facility.
Note:
The above paragraph includes written material that, if observed by a fellow inmate in the inmate's possession, could result in an inference being drawn about the inmate's gang affiliation and thereby target him or her for assault or result in other disruptive conduct. It also includes certain written material that could facilitate organizational activity within an institution by an organization that has not been approved by the deputy commissioner for program services to operate within that institution. Material that could facilitate organizational activity includes, but is not limited to, a membership roster, organizational chart, constitution or bylaws. All such material can be disallowed although otherwise determined not to incite or advocate for violence or disobedience.
The department adopts the following guidelines by which literature for inmates will be evaluated: