Section 83 above shall apply in the case of a community patient as it applies in the case of a patient who is for the time being liable to be detained under this Act, as if the community patient were so liable.
But if there are in force in any of the Channel Islands or the Isle of Man enactments ("relevant enactments") corresponding or similar to those relating to community patients in this Act—
If it appears to the appropriate national authority, in the case of a community patient, that the conditions mentioned in subsection (4) below are met, the authority may authorise the transfer of responsibility for him to the island in question.
The conditions are—
But the authority may not act under subsection (3) above while the patient is recalled to hospital under section 17E above.
In this section, "the appropriate national authority" means—