(1)Section 73 of the principal Act (removal to hospital of other prisoners) shall be amended as follows.
(2)In subsection (1) for the words " which warrants the detention of the patient in a hospital for medical treatment" there shall be substituted the words " which makes it appropriate for him to be detained in a hospital for medical treatment and that the patient is in urgent need of such treatment ".
(3)For paragraphs (a), (b) and (c) of subsection (2) there shall be substituted—
“(a)persons detained in a prison or remand centre, not being persons serving a sentence of imprisonment or persons falling within the following paragraphs of this subsection;”.
(4)For paragraph (f) of subsection (2) there shall be substituted—
“(f)persons detained under the Immigration Act 1971.”