19.—(1) Any regulations to which this subsection applies may be made so as to have effect for a specified period not exceeding 24 months.
(2) Subject to subsection (3), subsection (1) applies to—
(a)regulations which are made under any provision of this Part, other than sections 3, 8 and 9;
(b)regulations which are made under the Administration Act, so far as they relate to an employment and support allowance.
(3) Subsection (1) only applies to regulations if they are made with a view to ascertaining whether their provisions will or will be likely to—
(a)encourage persons to obtain or remain in work, or
(b)make it more likely that persons will obtain or remain in work or be able to do so.
(4) Regulations which, by virtue of subsection (1), are to have effect for a limited period are referred to in this section as a “pilot scheme”.
(5) A pilot scheme may provide that its provisions are to apply only in relation to—
(a)one or more specified areas;
(b)one or more specified classes of person;
(c)persons selected—
(i)by reference to prescribed criteria, or
(ii)on a sampling basis.
(6) A pilot scheme may make consequential or transitional provision with respect to the cessation of the scheme on the expiry of the specified period.
(7) A pilot scheme may be replaced by a further pilot scheme making the same or similar provision.