20.
—(1) For the purposes of the laws of Singapore, the non-application of extraordinary life-sustaining treatment to, or the withdrawal of extraordinary life-sustaining treatment from, a person suffering from a terminal illness shall not constitute a cause of death where the non-application or withdrawal was as a result of and in compliance with a directive validly made in accordance with this Act by the person.
(2) This section shall not relieve a medical practitioner from the consequences of a negligent decision as to whether or not a patient is suffering from a terminal illness.