211.—(1) Where—
(a)a person is serving a relevant sentence, and
(b)the conditions for giving a direction under this section are met (see section 212),
the Department of Justice may by warrant direct that the person be removed to a hospital specified in the direction.
(2) For the purposes of this section a person is “serving a relevant sentence” if—
(a)the person is detained under a custodial sentence (defined by section 253);
(b)the person is committed to custody for failure to comply with an order to enter into a recognizance to keep the peace or to be of good behaviour or both; or
(c)the person is committed by a court to a prison in default of payment of any sum adjudged to be paid on the person’s conviction.
(3) In subsection (2)(c) “prison” includes a young offenders centre or juvenile justice centre.