SECTION 1. Chapter 90B, Section 20 of the General Laws is hereby amended by inserting at the end of the following section. ''Recreation vehicle'' or ''off-highway vehicle'', any motor vehicle designed or modified for use over unimproved terrain for recreation or pleasure while not being operated on a public way as defined in chapter 90 including, but not limited to, all-terrain vehicles, off-highway motorcycles, dirt bikes, recreation utility vehicles and all registered motor vehicles while not being operated on a public way as defined in said chapter 90; provided, however, that recreation vehicles and off-highway vehicles operated exclusively for agricultural, forestry, lumbering or construction purposes shall not be subject to this chapter and it shall be an affirmative defense that such vehicle was being operated for such purposes at the time of an alleged violation of this chapter. :- “Any motor vehicle legally registered under chapter 90 will not be subject to registration (dual registration) under this chapter but registration numbers shall be displayed as required by said chapter 90.

SECTION 2. 1st paragraph of Section 22 of chapter 90B of the General Laws is hereby amended by striking the words “Provided, however, that the director may exempt a participant of a sanctioned race, rally or event who is not a resident of the commonwealth from the requirements of this section.”

And inserting the following words:- “All participants of a sanctioned race, rally or event that is sanctioned by a bonafide state, regional, national or international sanctioning body shall be exempt from the requirements of this section.”

Chapter 90B, Section 22 of the General Laws is hereby amended by inserting at the end of the 1st paragraph:- “Any motor vehicle legally registered under Chapter 90 will not be subject to registration under this chapter but registration numbers shall be displayed as required by said Chapter 90.”

SECTION 3. Section 21 of said chapter 90B, is hereby amended by striking the words “The director may exempt a participant of a sanctioned race, rally or event who is not a resident of the Commonwealth from the requirements of this section.”

And inserting the following words:- “All participants of a sanctioned race, rally or event that is sanctioned by a bonafide state, regional, national or international sanctioning body shall be exempt from the requirements of this section.