If any voter spoils a ballot, he may receive others, one at a time, not exceeding 3 in all, upon returning each spoiled one. The ballots thus returned shall be immediately marked "cancelled" by the moderator over his signature and, at the close of the polls, shall be preserved as provided in RSA 659:95.
RSA 659:22
1979, 436:1, eff. July 1, 1979.