The plan of operation may provide that any or all powers and duties of the Fund, except those under Sections 537.6 and 538.3 may be delegated to a corporation, association, or other organization which performs or will perform functions similar to those of this Fund, or its equivalent, in 2 or more states. A delegation under this Section shall take effect only with the approval of both the board of directors and the Director, and may be made only to a corporation, association, or organization which extends protection not substantially less favorable and effective than that provided by this Article.