48In Schedule 1, for Group D there shall be substituted—
A person who suffers or has suffered from mental illness, psychopathic disorder, mental handicap or severe mental handicap and on account of that condition either—
is resident in a hospital or other similar institution ; or
regularly attends for treatment by a medical practitioner.
A person for the time being in guardianship under section 33 of the Mental Health Act 1959.
A person who, under Part VIII of that Act, has been determined by a judge to be incapable, by reason of mental disorder, of managing and administering his property and affairs.
(In this Group—
' mental handicap' means a state of arrested or incomplete development of mind (not amounting to severe mental handicap) which includes significant impairment of intelligence and social functioning;
' severe mental handicap ' means a state of arrested or incomplete development of mind which includes severe impairment of intelligence and social functioning;
other expressions are to be construed in accordance with the said Act of 1959.)”.