The treatment criteria for a person to be made subject to a Temporary Treatment Order or Treatment Order are—
(a) the person has mental illness; and
(b) because the person has mental illness, the person needs immediate treatment to prevent—
(i) serious deterioration in the person's mental or physical health; or
(ii) serious harm to the person or to another person; and
(c) the immediate treatment will be provided to the person if the person is subject to a Temporary Treatment Order or Treatment Order; and
(d) there is no less restrictive means reasonably available to enable the person to receive the immediate treatment.