22.—(1) A clinical director of an approved centre may arrange for the transfer of a patient detained in that centre for treatment to a hospital or other place and for his or her detention there for that purpose.

(2) A patient removed under this section to a hospital or other place may be kept there so long as is necessary for the purpose of his or her treatment and shall then be taken back to the approved centre from which he or she was transferred.

(3) The detention of a patient in a hospital or other place under this section shall be deemed for the purposes of this Act to be detention in the centre from which he or she was transferred.