Administrative review shall be limited to the written record and the issues raised by the appeal. An order, action, rule, regulation, or other decision of a County Board of Health or a division of the Department shall not be set aside on administrative review unless it is
Ga. Comp. R. & Regs. R. 511-1-4-.04
O.C.G.A. §§ 31-5-1 through 31-5-6.