N.H. Rev. Stat. Ann. § 207:10-b

No person shall at any time of the year affix tags, markers, or radio transmitters on any fish, game, or fur-bearing animals, or any wild animals or birds without first procuring written permission of the executive director or his agent. It shall be unlawful to locate or attempt to locate any such wildlife tagged with the permission of the executive director with the aid and use of a radio receiver, except by the person authorized by the executive director to do so.