(1) If the Minister responsible for civil aviation by order declares—
(a) that any 2 or more States named in the order have established a joint air transport organisation or an international operating agency which operates aircraft; and
(b) that one of those States has been designated as exercising for aircraft so operated the powers of the State of registration,
the State declared under paragraph (b) is considered, for the purposes of this Act, to be the State in which any aircraft so operated is registered.
(2) Section 3(3)(b) has effect in relation to aircraft to which this section applies as if it referred to the territory of any one of the States named in the order.