N.Y. Comp. Codes R. & Regs. tit. 7, § 1704.7 – Visiting, correspondence and phone calls.

(a) Visiting, correspondence and phone calls are seen as means of reinforcing family ties that will be beneficial to inmates upon their release. The visiting, family reunion, correspondence, privileged correspondence and phone call programs are described in Parts 201, 220, 720, 721 and 723 of this Title, respectively.
(b) An inmate may at any reasonable time address a written communication to the superintendent or the commissioner. When an inmate makes a request for permission to write such a communication, the responsible employee to whom the request is made shall supply the inmate with necessary writing materials and an envelope; allow the inmate to write his communication in privacy, and forward it promptly to the addressee.
(c) Inmates are to be afforded pastoral visiting opportunities upon request. It shall be the responsibility of the chaplain to determine whether his/her immediate attention is required.
(d) An inmate confined to a cell or room for more than 30 days pursuant to Part 254 of this Title shall be limited to one non-legal visit per week. However, the inmate's visitation privileges may be subject to further restriction under this Title in accordance with:
1. (1) an administrative action under Part 201 of this Title;
2. (2) a disciplinary disposition under Chapter V of this Title; or
3. (3) special precautions applicable to inmates to SHU under section 302.2(i)(1) of this Title.