(a) As used in this part 1013, the following terms shall have the respective meanings set forth in paragraphs (a), (c) and (d) of § 1011.2 of this subchapter: “Agency,” “Commissioner,” “Commission.”

(b) Majority of the Commission. Three or more of the Commissioners.

(c) Commission meeting. The joint deliberations of at least a majority of the Commission where such deliberations determine or result in the joint conduct or disposition of official Agency business. This term does not include meetings required or permitted by § 1013.4(b) (to determine whether a meeting will be open or closed), meetings required or permitted by § 1013.3(e) (to change the subject matter of a meeting or the determination to open or close a meeting after the public announcement) or meetings required or permitted by 1013.3(c) (to dispense with the one week advance notice of a meeting).