N.Y. Comp. Codes R. & Regs. tit. 14, § 599.6
(c) The governing body shall be responsible for the following duties:
(7) to develop, approve, and periodically review and revise as appropriate all programmatic and administrative policies and procedures. Such policies and procedures shall include, but are not limited to, the following:
(e) The provider of service shall establish mechanisms to ensure that priority access is given to individuals referred to the provider, who are enrolled in an assisted outpatient treatment program established pursuant to section 9.60 of the Mental Hygiene Law, in accordance with the following:
(h) A provider of service shall ensure that any clinic subject to this Part does not:
(l) There shall be a written utilization review procedure to ensure that all recipients are receiving appropriate services and are being served at an appropriate level of care. Such policies and procedures shall include provisions ensuring that utilization review is performed, at a minimum, on a random 25 percent sample of open cases, and shall be performed only by professional staff trained to do such reviews, or by staff who are otherwise qualified by virtue of their civil service standing, and shall ensure to the maximum extent possible that the designated utilization review authority functions independently of the clinical staff that is treating the recipient under review. Such utilization review procedure shall provide for:
(2) a review of the need for continued treatment in a clinic treatment program within seven months after admission and every six months thereafter unless the recipient is: