Absence of person of unsound mind from the Mental Hospital on trial

(1) The Director of Health Services may allow any person of unsound mind confined in the Mental Hospital to absent himself from the Mental Hospital upon trial for any period which he thinks fit, and may at any time extend such period, and if such person does not return to the Mental Hospital at or before the expiration of such period or extended period of trial he may be apprehended as if he had escaped from the Mental (2) No person of unsound mind shall be allowed to be absent from the Mental Hospital on trial unless some person enters into an undertaking to take charge of him.