N.Y. Comp. Codes R. & Regs. tit. 9, § 7031.4
(b) Each local correctional facility shall provide prisoners access to:
(6) form books for use in conjunction with:
(7) a treatise with respect to:
(8) a New York State case law digest, or comparable search function of an electronic legal research service, capable of retrieving relevant case law on the topic of:
(c) Where one or more legal reference materials set forth in subdivision (b) are not maintained within the facility, or are maintained in a manner that does not permit direct access by a prisoner, the prisoner shall be provided access to a list of such available materials, sufficiently indexed to allow for a competent request by chapter, article, section, etc. Any such resulting request shall be made in writing and shall include the:
(e) Each local correctional facility shall additionally provide prisoners access to:
(f) Prisoner requests for legal reference materials set forth in subdivision (e) shall be made in writing and shall include the:
(h) The chief administrative officer may require that requests made pursuant to subdivision (f) of this section include with respect to the material requested:
(i) The chief administrative officer may comply with prisoner requests for legal reference material listed in subdivision (e) of this section by:
(k) With respect to legal reference material requested pursuant to subdivision (f) of this section, the chief administrative officer may establish reasonable limitations on:
(l) All prisoners shall be provided access to, and indigent prisoners shall be provided at facility expense, with supplies necessary for the preparation of legal matters, including: