RSA 654:34 Change of Registration.

I. Change of registration of a voter whose party membership has been previously registered.
(a) Any legal voter whose party membership has been registered may change such registration by appearing in person before the supervisors of the checklist for his town or ward any time they meet, except as prohibited by paragraph IV, and stating to them under oath or affirmation, if required, that:
(1) He intends to affiliate with and generally supports the candidates of the party with which he offers to register, in which case he shall be registered as a member of such party; or
(2) He does not wish to be registered as a member of any party, in which case his party designation shall be removed from the checklist.
(b) He may also change such registration at any primary