New South Wales Consolidated Acts New South Wales Consolidated Acts(cf 1990 Act, s 10)
A person (whether or not the person is suffering from mental illness) is a
mentally disordered person if the person's behaviour for the time being is so
irrational as to justify a conclusion on reasonable grounds that temporary
care, treatment or control of the person is necessary--
(a) for the person's own protection from serious physical harm, or
(b) for the protection of others from serious physical harm.