42 U.S.C. § 12131 : US Code - Section 12131: Definitions

      As used in this subchapter:
      (1) Public entity
        The term "public entity" means - 
          (A) any State or local government;
          (B) any department, agency, special purpose district, or
        other instrumentality of a State or States or local government;
        and
          (C) the National Railroad Passenger Corporation, and any
        commuter authority (as defined in section 24102(4) (!1) of
        title 49).

      (2) Qualified individual with a disability
        The term "qualified individual with a disability" means an
      individual with a disability who, with or without reasonable
      modifications to rules, policies, or practices, the removal of
      architectural, communication, or transportation barriers, or the
      provision of auxiliary aids and services, meets the essential
      eligibility requirements for the receipt of services or the
      participation in programs or activities provided by a public
      entity.