A regulation may—
(a) declare any 1 or more of the following to be a health service area for a Hospital and Health Service—(i) a part of the State;(ii) a public sector hospital;(iii) a public sector health service facility;(iv) a public sector health service; and
(b) establish a Hospital and Health Service (a
"Service" ) for the health service area; and
(c) assign a name to the Service.