(a) For purposes of this section—
(1) the term “agency” means any agency, as defined in section 552 (e) [1] of this title, headed by a collegial body composed of two or more individual members, a majority of whom are appointed to such position by the President with the advice and consent of the Senate, and any subdivision thereof authorized to act on behalf of the agency; (2) the term “meeting” means the deliberations of at least the number of individual agency members required to take action on behalf of the agency where such deliberations determine or result in the joint conduct or disposition of official agency business, but does not include deliberations required or permitted by subsection (d) or (e); and (3) the term “member” means an individual who belongs to a collegial body heading an agency.
(b) Members shall not jointly conduct or dispose of agency business other than in accordance with this section.