54.—(1) If in the case of a person to whom this Article applies the Secretary of State is satisfied by the same reports as are required for the purposes of Article 53—
(a)that the person is suffering from mental illness or severe mental impairment; and
(b)that the mental disorder from which the person is suffering is of a nature or degree which warrants his detention in hospital for medical treatment; and
(c)that the person is in urgent need of such treatment,
the Secretary of State shall have the same power of giving a transfer direction in respect of him under that Article as if he were serving a sentence of imprisonment.
(2) This Article applies to the following persons—
(a)persons detained in a prison or remand centre, not being persons serving a sentence of imprisonment or persons falling within the following sub-paragraphs of this paragraph;
(b)persons remanded in custody by a magistrates' court;
(c)civil prisoners, that is to say, persons committed by a court to prison for a limited term who are not persons falling to be dealt with under Article 53;
(d)persons detained under the [1971 c. 77] Immigration Act 1971[F1 or under section 62 of the Nationality, Immigration and Asylum Act 2002 (detention by Secretary of State)].
(3) Paragraphs (2) to (4) of Article 53 shall apply for the purposes of this Article and of any transfer direction given by virtue of this Article as they apply for the purposes of that Article and of any transfer direction given thereunder.