172.—(1) This section applies if—
(a)a public protection order with restrictions is in force in respect of a person; and
(b)the Department of Justice is satisfied that it is no longer necessary for the protection of the public from serious physical or psychological harm that the person be subject to a public protection order with restrictions.
(2) The Department of Justice may direct that, with effect from a date specified in the direction, the public protection order is to have effect as a public protection order without restrictions (see further section 173).