RSA 215-C:47 Reciprocity.

I. The executive director may allow snowmobiles registered in another state or a Canadian province to operate in this state for up to 3 consecutive days during the winter. A snowmobile which is legally registered to operate in another state or province shall be deemed legally registered in this state for such period of time. The executive director shall coordinate the dates of this open weekend with the bureau of trails. The executive director's determination shall be final.
I-a. The executive director may, upon agreement with the state of Vermont or Maine, or both, adopt a regional snowmobile registration endorsement agreement to allow reciprocal snowmobile riding privileges in participating states. The procedures and fees for such registration endorsement shall be establishe