Section 550. Definitions

When  used  in this chapter: the term "mentally
  disabled" shall mean those  with  mental  illness,  mental  retardation,
  alcoholism,  substance  dependence or chemical dependence as these terms
  are defined in section 1.03 of the mental  hygiene  law;  or  any  other
  mental  illness or mental condition placed under the jurisdiction of the
  department by the mayor; the term "provider of services" shall  mean  an
  individual,  association,  corporation or public or private agency which
  provides for the mentally disabled;  and  the  term  "services  for  the
  mentally  disabled"  shall mean examination, diagnosis, care, treatment,
  rehabilitation,  training,  education,  research,  preventive  services,
  referral,  residential  services  or  domiciliary  care  of  or  for the
  mentally  disabled,  not  specifically  limited  by   any   other   law.
  Notwithstanding  the  foregoing,  planning and programs for persons with
  substance dependence or chemical dependence shall be  conducted  by  the
  department,  and  the  department may act as a "local agency" to conduct
  substance abuse programs and seek reimbursement  therefore  pursuant  to
  provisions  of  the mental hygiene law relating to funding for substance
  abuse services, as deemed appropriate by the commissioner in recognition
  of the programs currently administered by the New York state  office  of
  alcoholism  and  substance  abuse services or its successor agency under
  article nineteen of the mental hygiene law.