16(1)A hereditament is exempt to the extent that it consists of property used wholly for any of the following purposes—
(a)the provision of facilities for training, or keeping suitably occupied, persons who are disabled or who are or have been suffering from illness;
(b)the provision of welfare services for disabled persons;
(c)the provision of facilities under section 15 of the [1944 c. 10.] Disabled Persons (Employment) Act 1944;
(d)the provision of a workshop or of other facilities under section 3(1) of the [1958 c. 33.] Disabled Persons (Employment) Act 1958.
(2)A person is disabled if he is blind, deaf or dumb or suffers from mental disorder of any description or is substantially and permanently handicapped by illness, injury, congenital deformity or any other disability for the time being prescribed for the purposes of section 29(1) of the [1948 c. 29.] National Assistance Act 1948.
(3)“Illness” has the meaning given by section 128(1) of the [1977 c. 49.] National Health Service Act 1977.
(4)“Welfare services for disabled persons” means services or facilities (by whomsoever provided) of a kind which a local authority has power to provide under section 29 of the National Assistance Act 1948.