When the Department believes that a sign has been erected or is being maintained without authorization, the Department shall notify the sign owner by certified mail and the landowner by copy, of the right to request an Administrative Hearing in accordance with O.C.G.A. § 32-6-70, et seq. (Ga. Laws 1973, pp. 947, 1071) as amended, and the Georgia Administrative Procedure Act (Ga. Laws 1964, p. 338), as amended.
Ga. Comp. R. & Regs. R. 672-7-.02
O.C.G.A. Secs. 32-2-2, 32-6-90, 50-13-4.