Here is RSA 261:88 dealing with handicap placards and plates. Interesting point is the placard is to be hung from the rear view mirror of the "vehicle" so as to be seen from both ends of the vehicle. No indication that it can be used for a boat.
http://www.gencourt.state.nh.us/rsa/...261/261-88.htm
Sent from my SM-T580 using
Winnipesaukee Forum mobile app