(a) Executive session.--An agency may hold an executive session under section 708 (relating to executive sessions).
(b) Conference.--An agency is authorized to participate in a conference which need not be open to the public. Deliberation of agency business may not occur at a conference.
(c) Certain working sessions.--Boards of auditors may conduct working sessions not open to the public for the purpose of examining, analyzing, discussing and deliberating the various accounts and records with respect to which such boards are responsible, so long as official action of a board with respect to such records and accounts is taken at a meeting open to the public and subject to the provisions of this chapter.