(1)Rules under section fifty-three of this Act may provide in what manner an appellant within the meaning of the Criminal Appeal (Scotland) Act, 1926, when in custody, is to be taken to, kept in custody at, and brought back from, any place at which he is entitled to be present for the purposes of that Act, or any place to which the High Court of Justiciary or any judge thereof may order him to be taken for the purpose of any proceedings of that court.
(2)The Secretary of State may—
(a)if he is satisfied that the attendance at any place in Great Britain of a person detained in Scotland in a prison, remand centre, detention centre, Borstal institution or remand home is desirable in the interests of justice or for the purposes of any public inquiry, direct him to be taken to that place;
(b)if he is satisfied that a person so detained requires medical or surgical treatment of any description, direct him to be taken to a hospital or other suitable place for the purpose of the treatment;
and where any person is directed under this subsection to be taken to any place he shall, unless the Secretary of State otherwise directs, be kept in custody while being so taken, while at that place, and while being taken back to the prison or other institution in which he is required in accordance with law to be detained.