authorized persons

(i) the members of, and the appropriate staff of, the binational panel or the extraordinary challenge committee, as the case may be, and the Secretariat,

(ii) counsel for parties to such panel or committee proceeding, and employees, and persons under the direction and control, of such counsel,

(iii) any officer or employee of the United States Government designated by the administering authority or the Commission, as appropriate, to whom disclosure is necessary in order to make recommendations to the Trade Representative regarding the convening of extraordinary challenge committees under chapter 19 of the Agreement or chapter 10 of the USMCA, and

(iv) any officer or employee of the Government of a free trade area country (as defined in section 1516a(f)(9) of this title) designated by an authorized agency of such country to whom disclosure is necessary in order to make decisions regarding the convening of extraordinary challenge committees under chapter 19 of the Agreement or chapter 10 of the USMCA.