(a) A record of each meeting or portion thereof which is closed to the public must be made and retained for two years or for one year after the conclusion of the Commission proceeding involved in the meeting. The record of any portion of a meeting closed to the public shall be a transcript or electronic recording.

(b) When minutes are produced, such minutes shall fully and clearly describe all matters discussed, and will provide a full and accurate summary of any actions taken and the reasons expressed therefor. The minutes must also reflect the vote of each member on any roll call vote taken during the proceedings and identify all documents produced at the meeting.

(c) The following documents produced under provisions of paragraph (b) of this section shall be retained by the agency as part of the minutes of the meeting:

(1) Certification by the Chairman that the meeting may properly be closed; and

(2) Statement from the presiding officer of the meeting setting forth the date, time and place of the meeting and listing the persons present.