|(a) The chief clerk shall prepare written minutes of each commission open meeting, which shall state the subject of each deliberation and indicate each vote, order, decision, or other action taken. The general counsel is authorized to approve the minutes, which shall be kept in accordance with the agency's records retention schedule. (b) The agency shall make an audio recording of each commission open meeting, which shall be retained for ten years after creation, unless a longer retention period is required by Texas Government Code, §441.187(b). (c) The agency shall not make audio recordings of closed sessions of commission meetings properly held in accordance with the requirements of the Open Meetings Act. Except for a private consultation with an attorney under Open Meetings Act, §551.071, the general counsel or chairman shall keep a certified agenda of each closed session. A certified agenda of a closed session is available for public inspection and copying only under the requirements of Open Meetings Act, §551.104(b)(3).