The term meeting means the deliberations of at least five (quorum) Directors of the Board of Directors of Commodity Credit Corporation where such deliberations determine or result in the joint conduct or disposition of official Board business but shall not include deliberations for:
(1) Closing a portion or portions of a meeting or series of meetings as provided in § 1409.5 (a) and (b) of this part, or
(2) Calling a meeting at a date earlier than announced as provided in paragraph 1409.6(a)(2) of this part; or
(3) Changing the subject matter of a publicly announced meeting as provided in § 1409.6(b) of this part; or
(4) Determining whether or not to withhold from disclosure information pertaining to a meeting or portions of a meeting or series of meetings as provided in § 1409.5(b) of this part.