13Designated services
(1)In relation to any order made under section 11 or section 12 above, " designated services" in this Act means services of any class described in the order as being designated services.
(2)Subject to subsection (3) below, a class of services described in any such order as being designated services may consist wholly or partly of services brought under control by the order or wholly or partly of other services, and may be described so as to consist—
(a)of services of one or more descriptions specified in that behalf in the order, or
(b)of all services except services of one or more descriptions so specified,
and different classes of services may be so described in relation to different matters specified in the order for the purposes of section 11(1)(b) or section 12(1)(b) above, as the case may be.
(3)A class of services described in such an order as being designated services shall not include any of the services specified in Schedule 1 to this Act.