It shall be unlawful for the owner or custodian of any dog to permit such dog to run at large in territory inhabited by game birds or quadrupeds, or on lands where livestock is pastured, at any time of the year; provided that hares and rabbits may be hunted with dogs during the open season under the owner’s control and supervision. Any organized club may hold a club licensed or sanctioned field trial on game which is otherwise protected. Said club shall secure permission from the owner of the land on which said trial is to be held, and shall notify the executive director of the fish and game department at least 2 weeks in advance of the date and place of the trial. Whoever violates the provisions of this section shall be guilty of a violation. Dogs which are guarding, working, or herding livestock, as defined in N.H. Rev. Stat. § 21:34-a, II(a)(4), shall be exempt from this section.