NR 45.12(1)(a)(a) No person may operate or park any motor vehicle or trailer or semitrailer in the Richard Bong state recreation area, in the Point Beach state forest, in developed recreational areas in other state forests as designated in par.
(b), in designated use zones within recreation areas established under s.
23.091 (3), Stats., or in any state park or roadside park except those designated in par.
(c) and those specified in s.
27.01 (7) (c), Stats., unless the vehicle displays a vehicle admission receipt in the manner specified by the department on the receipt or at the place of purchase.
NR 45.12(1)(b)
(b) The following state forest areas are designated by the department as vehicle admission areas: