42 CFR § 431.701 - Definitions.
Unless otherwise indicated, the following definitions apply for purposes of this subpart:
Board means an appointed State board established to carry out a State program for licensing administrators of nursing homes, in a State that does not have a healing arts licensing act or an agency as defined in this section.
Nursing home means any institution, facility, or distinct part of a hospital that is licensed or formally recognized as meeting nursing home standards established under State law, or that is determined under § 431.704 to be included under the requirements of this subpart. The term does not include -
(a) A religious nonmedical institution as defined in § 440.170(b) of this chapter; or
(b) A distinct part of a hospital, if the hospital meets the definition in § 440.10 or § 440.140 of this subchapter, and the distinct part is not licensed separately or formally approved as a nursing home by the State even though it is designated or certified as a skilled nursing facility.
Nursing home administrator means any person who is in charge of the general administration of a nursing home whether or not the person -
(a) Has an ownership interest in the home; or
(b) Shares his functions and duties with one or more other persons.