Without prejudice to any other provisions of this Act with respect to the transfer of patients, any patient who is for the time being liable to be detainedF1. . . under this Act (other than under section 35, 36 or 38 above) F2in a hospital at which high security psychiatric services are provided may, upon the directions of the Secretary of State, at any time be removed into any F3other hospital at which those services are provided.

Without prejudice to any such provision, the Secretary of State may give directions for the transfer of any patient who is for the time being liable to be so detained into a hospital F4at which those services are not provided.

Subsections (2) and (4) of section 19 above shall apply in relation to the transfer or removal of a patient under this section as they apply in relation to the transfer or removal of a patient from one hospital to another under that section.