(1) Lakes wholly opened to the general public for fishing and operated solely as commercial ventures.

(2) Lakes situated wholly within the grounds of a privately owned campground provided that the campground is open to the general public and operated as a commercial venture regardless of whether the campground operator sells admissions to fish at the lake to members of the public who are not camping at the campground.

(3) Lakes with a total water area of less than 20 acres situated wholly within the grounds of a private fishing and boating, rod and gun or sportsmen's club or organization when fishing in the lake is limited to members of the club or organization and the sponsoring club or organization operates a cooperative nursery recognized by the commission, provided that fish raised by the cooperative nursery shall be stocked in waters of this Commonwealth open for free public fishing and not in the regulated fishing lake licensed hereunder. Persons patronizing a Class A regulated fishing lake may catch, kill and possess fish without regard to any size, season or possession limit and need not possess a Pennsylvania fishing license. All other provisions of this title are applicable.