N.Y. Comp. Codes R. & Regs. tit. 14, § 584.8
(a) A residential treatment facility may only admit children under the following conditions:
(e) Upon application for admission or transfer of a child, a residential treatment facility shall provide written notice as follows:
(3) The residential treatment facility shall evaluate and communicate the determination of the application for admission or transfer within a timeframe determined by the Office of Mental Health or commissioner's designee. If the residential treatment facility requests to waive this standard for a particular child, it may apply to the Office of Mental Health or commissioner’s designee for consideration of a seven day extension:
(h) Written admission, transfer, continued stay and discharge policies and procedures shall be maintained as required in section 584.7 of this Part and shall be subject to approval by the Office of Mental Health. Such policies and procedures shall: