Eligibility. A CAH must meet the following eligibility requirements:
(1) The facility has been certified as a CAH by CMS under § 485.606(b) of this subpart; and
(2) The facility provides not more than 25 inpatient beds. Any bed of a unit of the facility that is licensed as a distinct-part SNF at the time the facility applies to the State for designation as a CAH is not counted under paragraph (a) of this section.
42 CFR § 485.645
A CAH must meet the following requirements in order to be granted an approval from CMS to provided post-hospital SNF care, as specified in 409.30 of this chapter, and to be paid for SNF-level services, in accordance with paragraph of this section.