9(1)Where the medical practitioner by whom or under whose direction the supervised person is being treated for his mental condition in pursuance of any requirement of a supervision and treatment order—
(a)is of the opinion mentioned in sub-paragraph (2) below; or
(b)is for any reason unwilling to continue to treat or direct the treatment of the supervised person,
he shall make a report in writing to that effect to the supervising officer and that officer shall apply under paragraph 8 above to a magistrates' court for the petty sessions area concerned for the variation or cancellation of the requirement.
(2)The opinion referred to in sub-paragraph (1) above is—
(a)that the treatment of the supervised person should be continued beyond the period specified in the supervision and treatment order;
(b)that the supervised person needs different treatment, being treatment of a kind to which he could be required to submit in pursuance of such an order;
(c)that the supervised person is not susceptible to treatment; or
(d)that the supervised person does not require further treatment.