1.—(1) In this Schedule “supervision and treatment order” means an order requiring the person in respect of whom it is made ( “the supervised person”)—
(a)to be under the supervision of a social worker or probation officer ( “the supervising officer”) for a period specified in the order of not more than 2 years; and
(b)to submit, during the whole of that period or such part of it as may be specified in the order, to treatment by or under the direction of a medical practitioner with a view to the improvement of his mental condition.
(2) The Secretary of State may by order direct that sub-paragraph (1) shall be amended by substituting, for the period specified in that sub-paragraph, such period as may be specified in the order.
(3) An order under sub-paragraph (2) may make in paragraph 8(2) any amendment which the Secretary of State thinks necessary in consequence of any substitution made by the order.
(4) The power of the Secretary of State to make orders under sub-paragraph (2) shall be exercisable by statutory instrument which shall be subject to annulment in pursuance of a resolution of either House of Parliament in like manner as a statutory instrument and section 5 of the Statutory Instruments Act 1946 shall apply accordingly.