(a) Minutes of meetings of the board shall include the recorded vote of each board member on all motions except motions voted on in executive session.
(b) Minutes of meetings of the board shall be approved no later than the second succeeding regular meeting.
(c) Minutes of all meetings of the board shall be available within seven calendar days after approval, and unapproved final drafts of the minutes of a meeting shall be available within thirty days after the meeting; provided that the minutes of any executive session may be withheld if their publication would defeat the lawful purpose of the executive session.