(a) The commissioner shall review each plan to determine compliance with the criteria established pursuant to Code Section 50-8-218 and within 30 days from the date of submission of the plan shall approve or disapprove such plan. If the commissioner disapproves any plan, he shall provide a detailed reason for such recommendation and may suggest such changes to the plan as he deems appropriate.

(b) Any county may apply to the board for review of a disapproved plan. The board shall review each such plan and, within 30 days from the date of receipt of the commissioner's recommendation, shall either approve or disapprove the plan. If the plan is disapproved, the board shall provide the facilities development committee with a detailed reason for such disapproval and may suggest such changes to the plan as would result in the approval of the plan.