The appropriate national authority may by order made by statutory instrument make provision for the application of sections 20 to 25 (with or without modifications) in cases where to any extent the performance of the duties under sections 16 and 17 is carried out jointly by two or more F2network management authorities.

A statutory instrument containing an order under this section made by the Secretary of State is subject to annulment in pursuance of a resolution by either House of Parliament.