12.—(1) Where, during the period for which a patient is detained for assessment by virtue of Article 9(8), he is examined by a medical practitioner appointed for the purposes of this Part by the Commission and that medical practitioner furnishes to the responsible[F1 authority] in the prescribed form a report of the examination stating—
(a)that, in his opinion, the patient is suffering from mental illness or severe mental impairment of a nature or degree which warrants his detention in hospital for medical treatment; and
(b)that, in his opinion, failure to so detain the patient would create a substantial likelihood of serious physical harm to himself or to other persons; and
(c)such particulars as may be prescribed of the grounds for his opinion so far as it relates to the matters set out in sub-paragraph (a); and
(d)the evidence for his opinion so far as it relates to the matters set out in sub-paragraph (b), specifying whether other methods of dealing with the patient are available and, if so, why they are not appropriate,
that report shall be[F1 sufficient authority for the responsible authority to detain the patient] in the hospital for medical treatment and the patient may, subject to the provisions of this Order, be so detained for a period not exceeding 6 months beginning with the date of admission, but shall not be so detained for any longer period unless the authority for his detention is renewed under Article 13.
(2) A report under paragraph (1) shall not be given by—
(a)the medical practitioner who gave the medical recommendation on which the application for assessment is founded; or
(b)any of the persons described in Schedule 1.
(3) Where a patient is detained in a hospital for treatment by virtue of a report under paragraph (1), any previous application under this Part by virtue of which he was subject to guardianship shall cease to have effect.
(4) The responsible[F1 authority] shall immediately forward to the Commission a copy of any report furnished to the[F1 authority] under paragraph (1).
(5) In this Order “detained for treatment”, in relation to a patient, means detained in a hospital for medical treatment by virtue of a report under paragraph (1) or by virtue of a report under Article 13(2), (3) or (5).