; and (II) adverse events due to unintended prescription drug-to-drug interactions. (2) The term adult day services provider means a provider of home and community-based services that is approved in the applicable State to provide long-term services and supports, which may include nursing care, physical therapy, occupational therapy, social work services, transportation, and personal care services. (3) The term certified adult day services center means a facility— (A) of a public agency or private organization, or a subdivision of such an agency or organization, that— (i) is primarily engaged in providing an interdisciplinary approach that includes skilled nursing services and other therapeutic services directly; (ii) has policies, established by a group of professional personnel (associated with the agency or organization), including one or more physicians and one or more registered professional nurses, to govern the services (referred to in subparagraph (A)) which it provides, and provides for supervision of such services; (iii) maintains clinical records on all patients; (iv) in the case of an agency or organization in any State in which State or applicable local law provides for the licensing or certification of agencies or organizations of this nature, (i) is licensed or certified pursuant to such law, or (ii) is approved, by the agency of such State or locality responsible for licensing or certifying agencies or organizations of this nature, as meeting the standards established for such licensing or certification; (v) is licensed or certified by the State involved or accredited as meeting requirements, including under section 1865, through a nationally recognized accrediting agency that is recognized by the Secretary; (vi) has in effect an overall plan and budget that meets the requirements of subsection (z)