(a) When any original packages of cigarettes or any cigarette vending device shall have been declared forfeited to the State by the Department, as provided in Section 18a of this Act, and when all proceedings for the judicial review of the Department’s decision have terminated, the Department shall, to the extent that its decision is sustained on review, destroy or maintain and use such property in an undercover capacity.
     (b) The Department may, prior to any destruction of cigarettes, permit the true holder of the trademark rights in the cigarette brand to inspect such contraband cigarettes in order to assist the Department in any investigation regarding such cigarettes.