42 U.S.C. § 1997 : US Code - Section 1997: Definitions

      As used in this subchapter - 
      (1) The term "institution" means any facility or institution - 
        (A) which is owned, operated, or managed by, or provides
      services on behalf of any State or political subdivision of a
      State; and
        (B) which is - 
          (i) for persons who are mentally ill, disabled, or retarded,
        or chronically ill or handicapped;
          (ii) a jail, prison, or other correctional facility;
          (iii) a pretrial detention facility;
          (iv) for juveniles - 
            (I) held awaiting trial;
            (II) residing in such facility or institution for purposes
          of receiving care or treatment; or
            (III) residing for any State purpose in such facility or
          institution (other than a residential facility providing only
          elementary or secondary education that is not an institution
          in which reside juveniles who are adjudicated delinquent, in
          need of supervision, neglected, placed in State custody,
          mentally ill or disabled, mentally retarded, or chronically
          ill or handicapped); or

          (v) providing skilled nursing, intermediate or long-term
        care, or custodial or residential care.

      (2) Privately owned and operated facilities shall not be deemed
    "institutions" under this subchapter if - 
        (A) the licensing of such facility by the State constitutes the
      sole nexus between such facility and such State;
        (B) the receipt by such facility, on behalf of persons residing
      in such facility, of payments under title XVI, XVIII [42 U.S.C.
      1381 et seq., 1395 et seq.], or under a State plan approved under
      title XIX [42 U.S.C. 1396 et seq.], of the Social Security Act,
      constitutes the sole nexus between such facility and such State;
      or
        (C) the licensing of such facility by the State, and the
      receipt by such facility, on behalf of persons residing in such
      facility, of payments under title XVI, XVIII [42 U.S.C. 1381 et
      seq., 1395 et seq.], or under a State plan approved under title
      XIX [42 U.S.C. 1396 et seq.], of the Social Security Act,
      constitutes the sole nexus between such facility and such State;

      (3) The term "person" means an individual, a trust or estate, a
    partnership, an association, or a corporation;
      (4) The term "State" means any of the several States, the
    District of Columbia, the Commonwealth of Puerto Rico, or any of
    the territories and possessions of the United States;
      (5) The term "legislative days" means any calendar day on which
    either House of Congress is in session.