The plan of operation described in Code Section 33-38-8 may provide that any or all powers and duties of the association, except those under subparagraph (C) of paragraph (10) of Code Section 33-38-7 and Code Section 33-38-15, shall be delegated to a corporation, association, or other organization which performs or will perform functions similar to those of this association or its equivalent in two or more states. Such a corporation, association, or organization shall be reimbursed for any payments made on behalf of the association and shall be paid for its performance of any function of the association. A delegation under this Code section shall take effect only with the approval of both the board of directors and the Commissioner and may be made only to a corporation, association, or organization which extends protection not substantially less favorable and effective than that provided for by this chapter.