20. An application under section 96(1)(d) of the Act for an order for the settlement or gift of any property of a patient, or an application under section 96(1)(e) of the Act for an order of execution for a patient of a will, may be made only by—
(a)the receiver for the patient, or
(b)any person who has made an application for the appointment of a receiver which has not yet been determined, or
(c)any person who, under any known will of the patient or under his intestacy, may become entitled to any property of the patient or any interest in it, or
(d)any person for whom the patient might be expected to provide if he were not mentally disordered,
(e)an attorney acting under a registered enduring power of attorney, or
(f)any other person whom the court or, where it relates to a function to be exercised by him, the Public Trustee, may authorise to make it.