149A.—(1) In respect of executive functions of a local authority, where 2 or more local authorities agree, or had agreed before the commencement of this section, that, in the interests of efficiency and effectiveness, a specified executive function should be performed by one of them (in this subsection referred to as the "nominated local authority") on behalf of the other local authority or local authorities (as the case may be), then the nominated local authority may perform, and be deemed always to have had the power to perform, the function on behalf of the other local authority or local authorities (as the case may be).

(2) Nothing in this section shall be read as affecting section 34(1)(aa) (inserted by the Waste Management (Amendment) Act 2001) of the Waste Management Act 1996.]