(1) An appointee under this Part may resign from the appointment.
(2) A person who resigns from an appointment under this Part must take all reasonable steps to inform the following persons of the resignation—
(a) the person who made the appointment;
(b) in the case of a mental health patient, the authorised psychiatrist treating the patient;
(c) in the case of an appointed medical treatment decision maker, any other appointed medical treatment decision maker appointed by the same appointment.
(3) A failure by an appointee to comply with subsection (2) does not affect the validity of the resignation.
(4) A resignation under this Part—
(a) must be in writing and expressly state an intention to resign; and
(b) must be signed and dated by the appointee; and
(c) must be witnessed by one adult witness.