N.Y. Comp. Codes R. & Regs. tit. 14, § 584.10
(d) For purposes of this Part, professional staff are individuals who are qualified by training and experience to provide direct treatment services under minimal supervision.
(1) Professional staff shall include the following as defined in section 584.4(c) of this Part:
(e) In order to assure that the residential treatment facility employ an adequate number and mix of professional staff who meet the qualifications provided in section 584.4(c) of this Part, the staffing plan shall meet each of the following requirements. A single staff member may be counted against more than one requirement.
(f) In order to assure that an adequate number of professional staff are qualified by training and experience to provide clinical supervision of other staff and to provide programmatic direction, at least 25 percent of the professional staff required to comply with paragraph (e)(3) of this section in each residential treatment facility shall meet the following qualifications:
(g) In order to assure that the residents are adequately supervised and are cared for in a safe and therapeutic manner, the staffing plan shall meet each of the following requirements:
(h) In order to assure the appropriate supervision of the nutritional aspects of dietetic services, a qualified dietitian shall be available on at least a consultation basis.
(i) All staff shall have qualifications appropriate to assigned responsibilities as set forth in the staffing plan and shall practice within the scope of their professional discipline.
(j) Students or trainees may qualify as clinical staff under the following conditions: