(a) The Chairman shall preside at Council Meetings of Members.

(b) The Chairman is the official spokesman of the Council and represents it in its relations with the Congress, the States, Federal agencies, persons, or the public. He shall from time to time report, on behalf of the Council, to the President. He shall keep the Council apprised of his actions under this section.

(c) The Chairman shall request the heads of other Federal agencies to participate with the Council when matters affecting their responsibilities are considered by the Council.

(d) In the case of absence, disability, or vacancy, the acting Chairman shall be, in order of precedence, as designated (1) by the President (2) by the Chairman from among the Members, or (3) by the Council from among the Members.