N.Y. Comp. Codes R. & Regs. tit. 14, § 633.21
(2) Upon making a determination that a person who is receiving care pursuant to section 13.37-a or section 13.38(g) of the Mental Hygiene Law can be cared for appropriately in an available adult care facility or by a service that is licensed, certified or approved by OPWDD, and whose removal from a child care facility or residential school is not required on an expedited basis, OPWDD shall notify in writing the person and the person's guardian (if one has been appointed), or another individual who has been actively involved in the care of the person and who can represent the person's interest, of OPWDD’s determination that the person can be appropriately cared for at an available placement providing residential care or by receiving another appropriate service(s) certified and/or funded by OPWDD (see subparagraph [6][i] of this subdivision regarding appropriate placement or plan of services). Such notification also shall provide a description of the proposed new placement or services.
(3)
(6) Definitions relevant to this section.
(a) Principles of compliance.