N.Y. Comp. Codes R. & Regs. tit. 14, § 820.11
(a) Rehabilitation services are appropriate for individuals who do not have significant withdrawal symptoms, are free of severe cravings to use substances and, if present, psychiatric and medical conditions are stable. Individuals have functional impairment in cognitive, emotional regulation, social and role functioning.
(1) individual, group and family counseling as appropriate to resident needs; provided by clinical staff as clinical staff are defined in Part 800 of this Title;
(2) medical assessment of physical and mental health conditions and medical treatment to enable the resident to manage chronic health and mental health conditions including treatment of physical health conditions that are routine;
(b) Staffing.
In addition to staffing required of all residential services pursuant to section 820.6 of this Part, rehabilitation services approved by the office must provide medical staff, as defined in Part 800 of this Title, on site or on-call, and staff available sufficient to meet the emergent needs of the resident population including any or all of the staff identified in section 820.6(b)(2) of this Part. The percentage of time that each shared staff is assigned to the residential service must be documented.
(c) Services.
In addition to the services required of all residential programs, rehabilitation services must provide: